31311302030113 has 16 divisors (see below), whose sum is σ = 39536667820800. Its totient is φ = 24161296997376.

The previous prime is 31311302030093. The next prime is 31311302030123. The reversal of 31311302030113 is 31103020311313.

It is not a de Polignac number, because 31311302030113 - 2²⁵ = 31311268475681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31311302030123) 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, 5720001288 + ... + 5720006761.

It is an arithmetic number, because the mean of its divisors is an integer number (2471041738800).

Almost surely, 2^{31311302030113} is an apocalyptic number.

It is an amenable number.

31311302030113 is a deficient number, since it is larger than the sum of its proper divisors (8225365790687).

31311302030113 is a wasteful number, since it uses less digits than its factorization.

31311302030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11440008096.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31311302030113 its reverse (31103020311313), we get a palindrome (62414322341426).

The spelling of 31311302030113 in words is "thirty-one trillion, three hundred eleven billion, three hundred two million, thirty thousand, one hundred thirteen".