1310345390931 has 16 divisors (see below), whose sum is σ = 1849939369344. Its totient is φ = 822159725184.

The previous prime is 1310345390927. The next prime is 1310345390941. The reversal of 1310345390931 is 1390935430131.

It is not a de Polignac number, because 1310345390931 - 2² = 1310345390927 is a prime.

It is a super-2 number, since 2×1310345390931² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310345390941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2344800 + ... + 2849346.

It is an arithmetic number, because the mean of its divisors is an integer number (115621210584).

Almost surely, 2^{1310345390931} is an apocalyptic number.

1310345390931 is a deficient number, since it is larger than the sum of its proper divisors (539593978413).

1310345390931 is a wasteful number, since it uses less digits than its factorization.

1310345390931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555490.

The product of its (nonzero) digits is 131220, while the sum is 42.

The spelling of 1310345390931 in words is "one trillion, three hundred ten billion, three hundred forty-five million, three hundred ninety thousand, nine hundred thirty-one".