315034404521 has 4 divisors (see below), whose sum is σ = 315048306000. Its totient is φ = 315020503044.

The previous prime is 315034404491. The next prime is 315034404539. The reversal of 315034404521 is 125404430513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315034404521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315034404221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6916691 + ... + 6962088.

It is an arithmetic number, because the mean of its divisors is an integer number (78762076500).

Almost surely, 2^315034404521 is an apocalyptic number.

It is an amenable number.

315034404521 is a deficient number, since it is larger than the sum of its proper divisors (13901479).

315034404521 is a wasteful number, since it uses less digits than its factorization.

315034404521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901478.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 315034404521 in words is "three hundred fifteen billion, thirty-four million, four hundred four thousand, five hundred twenty-one".