311325112 has 32 divisors (see below), whose sum is σ = 667720800. Its totient is φ = 133305984.

The previous prime is 311325103. The next prime is 311325139. The reversal of 311325112 is 211523113.

It is a self number, because there is not a number n which added to its sum of digits gives 311325112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94078 + ... + 97330.

It is an arithmetic number, because the mean of its divisors is an integer number (20866275).

Almost surely, 2^311325112 is an apocalyptic number.

It is an amenable number.

311325112 is an abundant number, since it is smaller than the sum of its proper divisors (356395688).

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

311325112 is a wasteful number, since it uses less digits than its factorization.

311325112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975 (or 4971 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 311325112 is about 17644.4073859113. The cubic root of 311325112 is about 677.7528996890.

Adding to 311325112 its reverse (211523113), we get a palindrome (522848225).

The spelling of 311325112 in words is "three hundred eleven million, three hundred twenty-five thousand, one hundred twelve".