1310311056 has 40 divisors (see below), whose sum is σ = 3388176000. Its totient is φ = 436356736.

The previous prime is 1310311043. The next prime is 1310311097. The reversal of 1310311056 is 6501130131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40570 + ... + 65318.

It is an arithmetic number, because the mean of its divisors is an integer number (84704400).

Almost surely, 2^1310311056 is an apocalyptic number.

1310311056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1310311056 is an abundant number, since it is smaller than the sum of its proper divisors (2077864944).

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

1310311056 is a wasteful number, since it uses less digits than its factorization.

1310311056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25863 (or 25857 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1310311056 is about 36198.2189617114. The cubic root of 1310311056 is about 1094.2707782133.

Adding to 1310311056 its reverse (6501130131), we get a palindrome (7811441187).

The spelling of 1310311056 in words is "one billion, three hundred ten million, three hundred eleven thousand, fifty-six".