312314440 has 32 divisors (see below), whose sum is σ = 712340280. Its totient is φ = 123213312.

The previous prime is 312314411. The next prime is 312314459. The reversal of 312314440 is 44413213.

It can be written as a sum of positive squares in 4 ways, for example, as 200335716 + 111978724 = 14154^2 + 10582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50559 + ... + 56398.

Almost surely, 2^312314440 is an apocalyptic number.

It is an amenable number.

312314440 is an abundant number, since it is smaller than the sum of its proper divisors (400025840).

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

312314440 is a wasteful number, since it uses less digits than its factorization.

312314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107041 (or 107037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 312314440 is about 17672.4203209408. The cubic root of 312314440 is about 678.4700609325.

Adding to 312314440 its reverse (44413213), we get a palindrome (356727653).

The spelling of 312314440 in words is "three hundred twelve million, three hundred fourteen thousand, four hundred forty".