310131111012 has 48 divisors (see below), whose sum is σ = 727446542592. Its totient is φ = 102833650080.

The previous prime is 310131111001. The next prime is 310131111029. The reversal of 310131111012 is 210111131013.

It is a junction number, because it is equal to n+sod(n) for n = 310131110982 and 310131111000.

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, 5000263 + ... + 5061905.

It is an arithmetic number, because the mean of its divisors is an integer number (15155136304).

Almost surely, 2^310131111012 is an apocalyptic number.

It is an amenable number.

310131111012 is an abundant number, since it is smaller than the sum of its proper divisors (417315431580).

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

310131111012 is a wasteful number, since it uses less digits than its factorization.

310131111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63848 (or 63846 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 310131111012 its reverse (210111131013), we get a palindrome (520242242025).

The spelling of 310131111012 in words is "three hundred ten billion, one hundred thirty-one million, one hundred eleven thousand, twelve".