315012232 has 32 divisors (see below), whose sum is σ = 625034880. Its totient is φ = 148529920.

The previous prime is 315012223. The next prime is 315012287. The reversal of 315012232 is 232210513.

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, 1008 + ... + 25120.

It is an arithmetic number, because the mean of its divisors is an integer number (19532340).

Almost surely, 2^315012232 is an apocalyptic number.

It is an amenable number.

315012232 is a deficient number, since it is larger than the sum of its proper divisors (310022648).

315012232 is a wasteful number, since it uses less digits than its factorization.

315012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24213 (or 24209 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315012232 is about 17748.5839435150. The cubic root of 315012232 is about 680.4180186406.

Adding to 315012232 its reverse (232210513), we get a palindrome (547222745).

It can be divided in two parts, 31501 and 2232, that added together give a palindrome (33733).

The spelling of 315012232 in words is "three hundred fifteen million, twelve thousand, two hundred thirty-two".