311256325 has 12 divisors (see below), whose sum is σ = 394171200. Its totient is φ = 243706160.

The previous prime is 311256293. The next prime is 311256359. The reversal of 311256325 is 523652113.

It is not a de Polignac number, because 311256325 - 2⁵ = 311256293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311256293 and 311256302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131275 + ... + 133624.

It is an arithmetic number, because the mean of its divisors is an integer number (32847600).

Almost surely, 2^311256325 is an apocalyptic number.

It is an amenable number.

311256325 is a deficient number, since it is larger than the sum of its proper divisors (82914875).

311256325 is a wasteful number, since it uses less digits than its factorization.

311256325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264956 (or 264951 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 311256325 is about 17642.4580203553. The cubic root of 311256325 is about 677.7029797169.

The spelling of 311256325 in words is "three hundred eleven million, two hundred fifty-six thousand, three hundred twenty-five".