311425930 has 8 divisors (see below), whose sum is σ = 560566692. Its totient is φ = 124570368.

The previous prime is 311425921. The next prime is 311425931. The reversal of 311425930 is 39524113.

It can be written as a sum of positive squares in 2 ways, for example, as 309795201 + 1630729 = 17601^2 + 1277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×311425930² = 193972219752729800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311425931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571287 + ... + 15571306.

Almost surely, 2^311425930 is an apocalyptic number.

311425930 is a deficient number, since it is larger than the sum of its proper divisors (249140762).

311425930 is a wasteful number, since it uses less digits than its factorization.

311425930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31142600.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 311425930 is about 17647.2640939042. The cubic root of 311425930 is about 677.8260518534.

The spelling of 311425930 in words is "three hundred eleven million, four hundred twenty-five thousand, nine hundred thirty".