315032405215 has 32 divisors (see below), whose sum is σ = 424184023296. Its totient is φ = 222626396160.

The previous prime is 315032405179. The next prime is 315032405221. The reversal of 315032405215 is 512504230513.

It is not a de Polignac number, because 315032405215 - 2¹¹ = 315032403167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111352 + ... + 801538.

It is an arithmetic number, because the mean of its divisors is an integer number (13255750728).

Almost surely, 2^315032405215 is an apocalyptic number.

315032405215 is a deficient number, since it is larger than the sum of its proper divisors (109151618081).

315032405215 is a wasteful number, since it uses less digits than its factorization.

315032405215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690439.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 315032405215 its reverse (512504230513), we get a palindrome (827536635728).

The spelling of 315032405215 in words is "three hundred fifteen billion, thirty-two million, four hundred five thousand, two hundred fifteen".