31312310055 has 32 divisors (see below), whose sum is σ = 56299332096. Its totient is φ = 14745058944.

The previous prime is 31312309981. The next prime is 31312310069. The reversal of 31312310055 is 55001321313.

It is not a de Polignac number, because 31312310055 - 2⁸ = 31312309799 is a prime.

It is a super-5 number, since 5×31312310055⁵ (a number of 54 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3486297 + ... + 3495266.

It is an arithmetic number, because the mean of its divisors is an integer number (1759354128).

Almost surely, 2^31312310055 is an apocalyptic number.

31312310055 is a deficient number, since it is larger than the sum of its proper divisors (24987022041).

31312310055 is a wasteful number, since it uses less digits than its factorization.

31312310055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981607.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 31312310055 its reverse (55001321313), we get a palindrome (86313631368).

The spelling of 31312310055 in words is "thirty-one billion, three hundred twelve million, three hundred ten thousand, fifty-five".