312411492 has 42 divisors (see below), whose sum is σ = 819712838. Its totient is φ = 104136192.

The previous prime is 312411443. The next prime is 312411497. The reversal of 312411492 is 294114213.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 300467556 + 11943936 = 17334^2 + 3456^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312411497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 50653 + ... + 56484.

Almost surely, 2^312411492 is an apocalyptic number.

It is an amenable number.

312411492 is an abundant number, since it is smaller than the sum of its proper divisors (507301346).

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

312411492 is a wasteful number, since it uses less digits than its factorization.

312411492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107159 (or 107142 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 312411492 is about 17675.1659681034. The cubic root of 312411492 is about 678.5403320529.

The spelling of 312411492 in words is "three hundred twelve million, four hundred eleven thousand, four hundred ninety-two".