311231310020000 has 120 divisors (see below), whose sum is σ = 770373112392576. Its totient is φ = 123728764896000.

The previous prime is 311231310019967. The next prime is 311231310020023. The reversal of 311231310020000 is 20013132113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44474864 + ... + 50994863.

Almost surely, 2^{311231310020000} is an apocalyptic number.

It is an amenable number.

311231310020000 is an abundant number, since it is smaller than the sum of its proper divisors (459141802372576).

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

311231310020000 is an equidigital number, since it uses as much as digits as its factorization.

311231310020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95469920 (or 95469897 counting only the distinct ones).

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

Adding to 311231310020000 its reverse (20013132113), we get a palindrome (311251323152113).

The spelling of 311231310020000 in words is "three hundred eleven trillion, two hundred thirty-one billion, three hundred ten million, twenty thousand".