311725056 has 176 divisors, whose sum is σ = 905527296. Its totient is φ = 94961664.

The previous prime is 311725033. The next prime is 311725079. The reversal of 311725056 is 650527113.

It is an interprime number because it is at equal distance from previous prime (311725033) and next prime (311725079).

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, 2454465 + ... + 2454591.

Almost surely, 2^311725056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311725056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452763648).

311725056 is an abundant number, since it is smaller than the sum of its proper divisors (593802240).

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

311725056 is a wasteful number, since it uses less digits than its factorization.

311725056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 311725056 is about 17655.7371978629. The cubic root of 311725056 is about 678.0430007273.

The spelling of 311725056 in words is "three hundred eleven million, seven hundred twenty-five thousand, fifty-six".