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1311413310 = 232523718923
BaseRepresentation
bin100111000101010…
…1001010000111110
310101101122200212100
41032022221100332
510141210211220
6334044045530
744332554264
oct11612512076
93341580770
101311413310
11613293259
123072338a6
1317b902c0c
14c6252434
157a1e6d90
hex4e2a943e

1311413310 has 96 divisors (see below), whose sum is σ = 3608437248. Its totient is φ = 329757120.

The previous prime is 1311413297. The next prime is 1311413357. The reversal of 1311413310 is 133141131.

1311413310 is a `hidden beast` number, since 1 + 311 + 41 + 3 + 310 = 666.

It is a super-2 number, since 2×13114133102 = 3439609739290312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142509 + ... + 151431.

It is an arithmetic number, because the mean of its divisors is an integer number (37587888).

Almost surely, 21311413310 is an apocalyptic number.

1311413310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311413310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804218624).

1311413310 is an abundant number, since it is smaller than the sum of its proper divisors (2297023938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311413310 is a wasteful number, since it uses less digits than its factorization.

1311413310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030 (or 9027 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1311413310 is about 36213.4410129720. The cubic root of 1311413310 is about 1094.5775314025.

Adding to 1311413310 its reverse (133141131), we get a palindrome (1444554441).

The spelling of 1311413310 in words is "one billion, three hundred eleven million, four hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 71 90 115 138 142 207 213 230 345 355 414 426 639 690 710 1035 1065 1278 1633 2070 2130 3195 3266 4899 6390 8165 8923 9798 14697 16330 17846 24495 26769 29394 44615 48990 53538 73485 80307 89230 133845 146970 160614 205229 267690 401535 410458 615687 633533 803070 1026145 1231374 1267066 1847061 1900599 2052290 3078435 3167665 3694122 3801198 5701797 6156870 6335330 9235305 9502995 11403594 14571259 18470610 19005990 28508985 29142518 43713777 57017970 72856295 87427554 131141331 145712590 218568885 262282662 437137770 655706655 1311413310