311452438072 has 32 divisors (see below), whose sum is σ = 585447302880. Its totient is φ = 155333601280.

The previous prime is 311452438061. The next prime is 311452438081. The reversal of 311452438072 is 270834254113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5775072 + ... + 5828752.

It is an arithmetic number, because the mean of its divisors is an integer number (18295228215).

Almost surely, 2^311452438072 is an apocalyptic number.

It is an amenable number.

311452438072 is a deficient number, since it is larger than the sum of its proper divisors (273994864808).

311452438072 is a wasteful number, since it uses less digits than its factorization.

311452438072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55503 (or 55499 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 311452438072 in words is "three hundred eleven billion, four hundred fifty-two million, four hundred thirty-eight thousand, seventy-two".