310331120000020 has 48 divisors (see below), whose sum is σ = 744799577534208. Its totient is φ = 106398542638080.

The previous prime is 310331119999987. The next prime is 310331120000051. The reversal of 310331120000020 is 20000021133013.

It is a junction number, because it is equal to n+sod(n) for n = 310331119999949 and 310331120000003.

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, 14354305 + ... + 28752535.

It is an arithmetic number, because the mean of its divisors is an integer number (15516657865296).

Almost surely, 2^{310331120000020} is an apocalyptic number.

It is an amenable number.

310331120000020 is an abundant number, since it is smaller than the sum of its proper divisors (434468457534188).

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

310331120000020 is a wasteful number, since it uses less digits than its factorization.

310331120000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552200 (or 14552198 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 310331120000020 its reverse (20000021133013), we get a palindrome (330331141133033).

The spelling of 310331120000020 in words is "three hundred ten trillion, three hundred thirty-one billion, one hundred twenty million, twenty", and thus it is an aban number.