31344100311320 has 64 divisors (see below), whose sum is σ = 71876489594400. Its totient is φ = 12298167659520.

The previous prime is 31344100311313. The next prime is 31344100311331. The reversal of 31344100311320 is 2311300144313.

It is a self number, because there is not a number n which added to its sum of digits gives 31344100311320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13452551 + ... + 15609590.

Almost surely, 2^{31344100311320} is an apocalyptic number.

It is an amenable number.

31344100311320 is an abundant number, since it is smaller than the sum of its proper divisors (40532389283080).

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

31344100311320 is a wasteful number, since it uses less digits than its factorization.

31344100311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29062668 (or 29062664 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31344100311320 its reverse (2311300144313), we get a palindrome (33655400455633).

The spelling of 31344100311320 in words is "thirty-one trillion, three hundred forty-four billion, one hundred million, three hundred eleven thousand, three hundred twenty".