310131201012020 has 24 divisors (see below), whose sum is σ = 651402898737864. Its totient is φ = 124028218192896.

The previous prime is 310131201011963. The next prime is 310131201012037. The reversal of 310131201012020 is 20210102131013.

It can be written as a sum of positive squares in 4 ways, for example, as 533522141476 + 309597678870544 = 730426^2 + 17595388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 310131201012020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516283429 + ... + 1516487948.

It is an arithmetic number, because the mean of its divisors is an integer number (27141787447411).

Almost surely, 2^{310131201012020} is an apocalyptic number.

It is an amenable number.

310131201012020 is an abundant number, since it is smaller than the sum of its proper divisors (341271697725844).

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

310131201012020 is a wasteful number, since it uses less digits than its factorization.

310131201012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032776499 (or 3032776497 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 310131201012020 its reverse (20210102131013), we get a palindrome (330341303143033).

The spelling of 310131201012020 in words is "three hundred ten trillion, one hundred thirty-one billion, two hundred one million, twelve thousand, twenty".