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1311343222230 = 233541118459189
BaseRepresentation
bin10011000101010010001…
…001011001110111010110
311122100210202121211212000
4103011102021121313112
5132441112331102410
62442231152140130
7163512210322206
oct23052211316726
94570722554760
101311343222230
11466157075a18
12192192237646
1396875173c62
144767dc80406
152419ebaedc0
hex13152259dd6

1311343222230 has 64 divisors (see below), whose sum is σ = 3582205905600. Its totient is φ = 341162461440.

The previous prime is 1311343222201. The next prime is 1311343222237. The reversal of 1311343222230 is 322223431131.

1311343222230 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 3 + 432 + 2 + 223 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1311343222194 and 1311343222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311343222237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59218525 + ... + 59240664.

It is an arithmetic number, because the mean of its divisors is an integer number (55971967275).

Almost surely, 21311343222230 is an apocalyptic number.

1311343222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311343222230 is an abundant number, since it is smaller than the sum of its proper divisors (2270862683370).

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

1311343222230 is a wasteful number, since it uses less digits than its factorization.

1311343222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118459246 (or 118459240 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1311343222230 its reverse (322223431131), we get a palindrome (1633566653361).

The spelling of 1311343222230 in words is "one trillion, three hundred eleven billion, three hundred forty-three million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 41 45 54 82 90 123 135 205 246 270 369 410 615 738 1107 1230 1845 2214 3690 5535 11070 118459189 236918378 355377567 592295945 710755134 1066132701 1184591890 1776887835 2132265402 3198398103 3553775670 4856826749 5330663505 6396796206 9713653498 10661327010 14570480247 15991990515 24284133745 29140960494 31983981030 43711440741 48568267490 72852401235 87422881482 131134322223 145704802470 218557203705 262268644446 437114407410 655671611115 1311343222230