312311460 has 48 divisors (see below), whose sum is σ = 888818112. Its totient is φ = 81916800.

The previous prime is 312311459. The next prime is 312311477. The reversal of 312311460 is 64113213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39006 + ... + 46325.

It is an arithmetic number, because the mean of its divisors is an integer number (18517044).

Almost surely, 2^312311460 is an apocalyptic number.

312311460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312311460 is an abundant number, since it is smaller than the sum of its proper divisors (576506652).

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

312311460 is a wasteful number, since it uses less digits than its factorization.

312311460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85404 (or 85402 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 312311460 is about 17672.3360085757. The cubic root of 312311460 is about 678.4679030141.

Adding to 312311460 its reverse (64113213), we get a palindrome (376424673).

The spelling of 312311460 in words is "three hundred twelve million, three hundred eleven thousand, four hundred sixty".