307144312 has 16 divisors (see below), whose sum is σ = 576681840. Its totient is φ = 153362496.

The previous prime is 307144309. The next prime is 307144319. The reversal of 307144312 is 213441703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307144319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19893 + ... + 31780.

It is an arithmetic number, because the mean of its divisors is an integer number (36042615).

Almost surely, 2^307144312 is an apocalyptic number.

It is an amenable number.

307144312 is a deficient number, since it is larger than the sum of its proper divisors (269537528).

307144312 is a wasteful number, since it uses less digits than its factorization.

307144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52422 (or 52418 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 307144312 is about 17525.5331445294. The cubic root of 307144312 is about 674.7053580082.

The spelling of 307144312 in words is "three hundred seven million, one hundred forty-four thousand, three hundred twelve".