311052312 has 40 divisors (see below), whose sum is σ = 871236300. Its totient is φ = 103683888.

The previous prime is 311052311. The next prime is 311052331. The reversal of 311052312 is 213250113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311052311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 239362 + ... + 240657.

Almost surely, 2^311052312 is an apocalyptic number.

It is an amenable number.

311052312 is an abundant number, since it is smaller than the sum of its proper divisors (560183988).

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

311052312 is a wasteful number, since it uses less digits than its factorization.

311052312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480037 (or 480024 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 311052312 is about 17636.6751968731. The cubic root of 311052312 is about 677.5548805187.

It can be divided in two parts, 311052 and 312, that added together give a square (311364 = 558²).

The spelling of 311052312 in words is "three hundred eleven million, fifty-two thousand, three hundred twelve".