311425164 has 36 divisors (see below), whose sum is σ = 787781176. Its totient is φ = 103733568.

The previous prime is 311425141. The next prime is 311425199. The reversal of 311425164 is 461524113.

It is a happy number.

311425164 is a `hidden beast` number, since 3 + 1 + 142 + 516 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 72912 + ... + 77064.

Almost surely, 2^311425164 is an apocalyptic number.

It is an amenable number.

311425164 is an abundant number, since it is smaller than the sum of its proper divisors (476356012).

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

311425164 is a wasteful number, since it uses less digits than its factorization.

311425164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246 (or 6241 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 311425164 is about 17647.2423908100. The cubic root of 311425164 is about 677.8254961138.

Adding to 311425164 its reverse (461524113), we get a palindrome (772949277).

The spelling of 311425164 in words is "three hundred eleven million, four hundred twenty-five thousand, one hundred sixty-four".