312374128 has 40 divisors (see below), whose sum is σ = 678103920. Its totient is φ = 138147840.

The previous prime is 312374123. The next prime is 312374131. The reversal of 312374128 is 821473213.

It is a self number, because there is not a number n which added to its sum of digits gives 312374128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312374123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17473 + ... + 30496.

It is an arithmetic number, because the mean of its divisors is an integer number (16952598).

Almost surely, 2^312374128 is an apocalyptic number.

It is an amenable number.

312374128 is an abundant number, since it is smaller than the sum of its proper divisors (365729792).

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

312374128 is a wasteful number, since it uses less digits than its factorization.

312374128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48025 (or 48019 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 312374128 is about 17674.1089732976. The cubic root of 312374128 is about 678.5132801332.

The spelling of 312374128 in words is "three hundred twelve million, three hundred seventy-four thousand, one hundred twenty-eight".