311500453453252 has 48 divisors (see below), whose sum is σ = 626302153838592. Its totient is φ = 132794653276800.

The previous prime is 311500453453181. The next prime is 311500453453261. The reversal of 311500453453252 is 252354354005113.

It is a junction number, because it is equal to n+sod(n) for n = 311500453453199 and 311500453453208.

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, 34936999 + ... + 42937102.

It is an arithmetic number, because the mean of its divisors is an integer number (13047961538304).

Almost surely, 2^{311500453453252} is an apocalyptic number.

It is an amenable number.

311500453453252 is an abundant number, since it is smaller than the sum of its proper divisors (314801700385340).

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

311500453453252 is a wasteful number, since it uses less digits than its factorization.

311500453453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77874868 (or 77874866 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 311500453453252 in words is "three hundred eleven trillion, five hundred billion, four hundred fifty-three million, four hundred fifty-three thousand, two hundred fifty-two".