15314340391 has 12 divisors (see below), whose sum is σ = 17877606312. Its totient is φ = 13080181968.

The previous prime is 15314340389. The next prime is 15314340397. The reversal of 15314340391 is 19304341351.

It is not a de Polignac number, because 15314340391 - 2¹ = 15314340389 is a prime.

It is a super-2 number, since 2×15314340391² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15314340397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538320 + ... + 566053.

It is an arithmetic number, because the mean of its divisors is an integer number (1489800526).

Almost surely, 2^15314340391 is an apocalyptic number.

15314340391 is a deficient number, since it is larger than the sum of its proper divisors (2563265921).

15314340391 is a wasteful number, since it uses less digits than its factorization.

15314340391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104670 (or 1104663 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 15314340391 in words is "fifteen billion, three hundred fourteen million, three hundred forty thousand, three hundred ninety-one".