31311013000010 has 16 divisors (see below), whose sum is σ = 56362354211016. Its totient is φ = 12523842797568.

The previous prime is 31311012999983. The next prime is 31311013000031. The reversal of 31311013000010 is 1000031011313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11711541817369 + 19599471182641 = 3422213^2 + 4427129^2 .

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, 70066439 + ... + 70511898.

Almost surely, 2^{31311013000010} is an apocalyptic number.

31311013000010 is a deficient number, since it is larger than the sum of its proper divisors (25051341211006).

31311013000010 is a wasteful number, since it uses less digits than its factorization.

31311013000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140600617.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 31311013000010 its reverse (1000031011313), we get a palindrome (32311044011323).

The spelling of 31311013000010 in words is "thirty-one trillion, three hundred eleven billion, thirteen million, ten", and thus it is an aban number.