315305340334225 has 12 divisors (see below), whose sum is σ = 390979933512064. Its totient is φ = 252243426139920.

The previous prime is 315305340334199. The next prime is 315305340334253. The reversal of 315305340334225 is 522433043503513.

It is a de Polignac number, because none of the positive numbers 2^k-315305340334225 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13496889 + ... + 28509238.

Almost surely, 2^{315305340334225} is an apocalyptic number.

It is an amenable number.

315305340334225 is a deficient number, since it is larger than the sum of its proper divisors (75674593177839).

315305340334225 is a wasteful number, since it uses less digits than its factorization.

315305340334225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42306384 (or 42306379 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 315305340334225 its reverse (522433043503513), we get a palindrome (837738383837738).

The spelling of 315305340334225 in words is "three hundred fifteen trillion, three hundred five billion, three hundred forty million, three hundred thirty-four thousand, two hundred twenty-five".