311032013120 has 28 divisors (see below), whose sum is σ = 740644982004. Its totient is φ = 124412805120.

The previous prime is 311032013087. The next prime is 311032013147. The reversal of 311032013120 is 21310230113.

It can be written as a sum of positive squares in 2 ways, for example, as 186942087424 + 124089925696 = 432368^2 + 352264^2 .

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 3 ways as a sum of consecutive naturals, for example, 485987201 + ... + 485987840.

Almost surely, 2^311032013120 is an apocalyptic number.

It is an amenable number.

311032013120 is an abundant number, since it is smaller than the sum of its proper divisors (429612968884).

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

311032013120 is an equidigital number, since it uses as much as digits as its factorization.

311032013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971975058 (or 971975048 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311032013120 its reverse (21310230113), we get a palindrome (332342243233).

The spelling of 311032013120 in words is "three hundred eleven billion, thirty-two million, thirteen thousand, one hundred twenty".