13513714731 has 16 divisors (see below), whose sum is σ = 21840347520. Its totient is φ = 8190129960.

The previous prime is 13513714729. The next prime is 13513714757. The reversal of 13513714731 is 13741731531.

13513714731 is a `hidden beast` number, since 1 + 3 + 513 + 71 + 4 + 73 + 1 = 666.

It is not a de Polignac number, because 13513714731 - 2¹ = 13513714729 is a prime.

It is a super-2 number, since 2×13513714731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13513714631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22750065 + ... + 22750658.

It is an arithmetic number, because the mean of its divisors is an integer number (1365021720).

Almost surely, 2^13513714731 is an apocalyptic number.

13513714731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13513714731 is a deficient number, since it is larger than the sum of its proper divisors (8326632789).

13513714731 is a wasteful number, since it uses less digits than its factorization.

13513714731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45500743 (or 45500737 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The spelling of 13513714731 in words is "thirteen billion, five hundred thirteen million, seven hundred fourteen thousand, seven hundred thirty-one".