312421504 has 32 divisors (see below), whose sum is σ = 632621340. Its totient is φ = 153646080.

The previous prime is 312421453. The next prime is 312421511. The reversal of 312421504 is 405124213.

It can be written as a sum of positive squares in 2 ways, for example, as 278222400 + 34199104 = 16680^2 + 5848^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12199 + ... + 27814.

Almost surely, 2^312421504 is an apocalyptic number.

It is an amenable number.

312421504 is an abundant number, since it is smaller than the sum of its proper divisors (320199836).

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

312421504 is an equidigital number, since it uses as much as digits as its factorization.

312421504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40088 (or 40076 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 312421504 is about 17675.4491880687. The cubic root of 312421504 is about 678.5475804773.

Adding to 312421504 its reverse (405124213), we get a palindrome (717545717).

The spelling of 312421504 in words is "three hundred twelve million, four hundred twenty-one thousand, five hundred four".