311425937 has 2 divisors, whose sum is σ = 311425938. Its totient is φ = 311425936.

The previous prime is 311425931. The next prime is 311425949. The reversal of 311425937 is 739524113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155775361 + 155650576 = 12481^2 + 12476^2 .

It is a cyclic number.

It is not a de Polignac number, because 311425937 - 2⁴ = 311425921 is a prime.

It is a super-2 number, since 2×311425937² = 193972228472655938, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 311425897 and 311425906.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 155712968 + 155712969.

It is an arithmetic number, because the mean of its divisors is an integer number (155712969).

Almost surely, 2^311425937 is an apocalyptic number.

It is an amenable number.

311425937 is a deficient number, since it is larger than the sum of its proper divisors (1).

311425937 is an equidigital number, since it uses as much as digits as its factorization.

311425937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 311425937 is about 17647.2642922352. The cubic root of 311425937 is about 677.8260569320.

The spelling of 311425937 in words is "three hundred eleven million, four hundred twenty-five thousand, nine hundred thirty-seven".