315020031025066 has 32 divisors (see below), whose sum is σ = 506190475134720. Its totient is φ = 146508677331456.

The previous prime is 315020031025057. The next prime is 315020031025097. The reversal of 315020031025066 is 660520130020513.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18685906 + ... + 31292221.

It is an arithmetic number, because the mean of its divisors is an integer number (15818452347960).

Almost surely, 2^{315020031025066} is an apocalyptic number.

315020031025066 is a deficient number, since it is larger than the sum of its proper divisors (191170444109654).

315020031025066 is a wasteful number, since it uses less digits than its factorization.

315020031025066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49980318.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 315020031025066 its reverse (660520130020513), we get a palindrome (975540161045579).

The spelling of 315020031025066 in words is "three hundred fifteen trillion, twenty billion, thirty-one million, twenty-five thousand, sixty-six".