13751319931 has 2 divisors, whose sum is σ = 13751319932. Its totient is φ = 13751319930.

The previous prime is 13751319889. The next prime is 13751319949. The reversal of 13751319931 is 13991315731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13751319931 - 2¹⁷ = 13751188859 is a prime.

It is a super-2 number, since 2×13751319931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13751314931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875659965 + 6875659966.

It is an arithmetic number, because the mean of its divisors is an integer number (6875659966).

Almost surely, 2^13751319931 is an apocalyptic number.

13751319931 is a deficient number, since it is larger than the sum of its proper divisors (1).

13751319931 is an equidigital number, since it uses as much as digits as its factorization.

13751319931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 43.

The spelling of 13751319931 in words is "thirteen billion, seven hundred fifty-one million, three hundred nineteen thousand, nine hundred thirty-one".