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1310230220310 = 2325114767487863
BaseRepresentation
bin10011000100001111110…
…011101000111000010110
311122020221012022111020200
4103010033303220320112
5132431322414022220
62441524512441330
7163442504054514
oct23041763507026
94566835274220
101310230220310
11465735890120
12191b21549246
13967286c023b
14475b61194b4
152413710b890
hex1310fce8e16

1310230220310 has 384 divisors, whose sum is σ = 3864388829184. Its totient is φ = 305250612480.

The previous prime is 1310230220309. The next prime is 1310230220329. The reversal of 1310230220310 is 130220320131.

1310230220310 is a `hidden beast` number, since 1 + 3 + 102 + 30 + 220 + 310 = 666.

It is a super-2 number, since 2×13102302203102 (a number of 25 digits) 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 191 ways as a sum of consecutive naturals, for example, 1518226939 + ... + 1518227801.

It is an arithmetic number, because the mean of its divisors is an integer number (10063512576).

Almost surely, 21310230220310 is an apocalyptic number.

1310230220310 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 1310230220310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932194414592).

1310230220310 is an abundant number, since it is smaller than the sum of its proper divisors (2554158608874).

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

1310230220310 is a wasteful number, since it uses less digits than its factorization.

1310230220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1310230220310 its reverse (130220320131), we get a palindrome (1440450540441).

The spelling of 1310230220310 in words is "one trillion, three hundred ten billion, two hundred thirty million, two hundred twenty thousand, three hundred ten".