315135011391 has 16 divisors (see below), whose sum is σ = 423994596480. Its totient is φ = 208190921760.

The previous prime is 315135011357. The next prime is 315135011407. The reversal of 315135011391 is 193110531513.

It is not a de Polignac number, because 315135011391 - 2¹⁵ = 315134978623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315135011291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871701 + ... + 1179038.

It is an arithmetic number, because the mean of its divisors is an integer number (26499662280).

Almost surely, 2^315135011391 is an apocalyptic number.

315135011391 is a deficient number, since it is larger than the sum of its proper divisors (108859585089).

315135011391 is a wasteful number, since it uses less digits than its factorization.

315135011391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051206.

The product of its (nonzero) digits is 6075, while the sum is 33.

The spelling of 315135011391 in words is "three hundred fifteen billion, one hundred thirty-five million, eleven thousand, three hundred ninety-one".