311255425 has 12 divisors (see below), whose sum is σ = 415646140. Its totient is φ = 229849920.

The previous prime is 311255419. The next prime is 311255447. The reversal of 311255425 is 524552113.

It can be written as a sum of positive squares in 6 ways, for example, as 121104 + 311134321 = 348^2 + 17639^2 .

It is not a de Polignac number, because 311255425 - 2²⁷ = 177037697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311255393 and 311255402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478530 + ... + 479179.

Almost surely, 2^311255425 is an apocalyptic number.

It is an amenable number.

311255425 is a deficient number, since it is larger than the sum of its proper divisors (104390715).

311255425 is a wasteful number, since it uses less digits than its factorization.

311255425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957732 (or 957727 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 311255425 is about 17642.4325136870. The cubic root of 311255425 is about 677.7023265219.

The spelling of 311255425 in words is "three hundred eleven million, two hundred fifty-five thousand, four hundred twenty-five".