312130488 has 64 divisors (see below), whose sum is σ = 795600000. Its totient is φ = 102022272.

The previous prime is 312130487. The next prime is 312130519. The reversal of 312130488 is 884031213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312130487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625263 + ... + 625761.

It is an arithmetic number, because the mean of its divisors is an integer number (12431250).

Almost surely, 2^312130488 is an apocalyptic number.

It is an amenable number.

312130488 is an abundant number, since it is smaller than the sum of its proper divisors (483469512).

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

312130488 is a wasteful number, since it uses less digits than its factorization.

312130488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 312130488 is about 17667.2150606710. The cubic root of 312130488 is about 678.3368293555.

The spelling of 312130488 in words is "three hundred twelve million, one hundred thirty thousand, four hundred eighty-eight".