307231472 has 20 divisors (see below), whose sum is σ = 602435400. Its totient is φ = 151764288.

The previous prime is 307231469. The next prime is 307231487. The reversal of 307231472 is 274132703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114347 + ... + 117002.

It is an arithmetic number, because the mean of its divisors is an integer number (30121770).

Almost surely, 2^307231472 is an apocalyptic number.

It is an amenable number.

307231472 is a deficient number, since it is larger than the sum of its proper divisors (295203928).

307231472 is a wasteful number, since it uses less digits than its factorization.

307231472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231440 (or 231434 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 307231472 is about 17528.0196257307. The cubic root of 307231472 is about 674.7691735664.

It can be divided in two parts, 307231 and 472, that added together give a palindrome (307703).

The spelling of 307231472 in words is "three hundred seven million, two hundred thirty-one thousand, four hundred seventy-two".