312640314 has 32 divisors (see below), whose sum is σ = 718327680. Its totient is φ = 88860672.

The previous prime is 312640313. The next prime is 312640331. The reversal of 312640314 is 413046213.

It is not an unprimeable number, because it can be changed into a prime (312640313) 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, 11179 + ... + 27390.

It is an arithmetic number, because the mean of its divisors is an integer number (22447740).

Almost surely, 2^312640314 is an apocalyptic number.

312640314 is an abundant number, since it is smaller than the sum of its proper divisors (405687366).

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

312640314 is a wasteful number, since it uses less digits than its factorization.

312640314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38774.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 312640314 is about 17681.6377635105. The cubic root of 312640314 is about 678.7059544963.

Adding to 312640314 its reverse (413046213), we get a palindrome (725686527).

The spelling of 312640314 in words is "three hundred twelve million, six hundred forty thousand, three hundred fourteen".