315323252012 has 24 divisors (see below), whose sum is σ = 564916491216. Its totient is φ = 153922019328.

The previous prime is 315323251987. The next prime is 315323252021. The reversal of 315323252012 is 210252323513.

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, 70373 + ... + 797244.

It is an arithmetic number, because the mean of its divisors is an integer number (23538187134).

Almost surely, 2^315323252012 is an apocalyptic number.

It is an amenable number.

315323252012 is a deficient number, since it is larger than the sum of its proper divisors (249593239204).

315323252012 is a wasteful number, since it uses less digits than its factorization.

315323252012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869777 (or 869775 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 315323252012 its reverse (210252323513), we get a palindrome (525575575525).

The spelling of 315323252012 in words is "three hundred fifteen billion, three hundred twenty-three million, two hundred fifty-two thousand, twelve".