13703423931 has 12 divisors (see below), whose sum is σ = 19811697360. Its totient is φ = 9127371600.

The previous prime is 13703423879. The next prime is 13703423947. The reversal of 13703423931 is 13932430731.

It is a happy number.

It is not a de Polignac number, because 13703423931 - 2⁷ = 13703423803 is a prime.

It is a super-2 number, since 2×13703423931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13703423431) 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 11 ways as a sum of consecutive naturals, for example, 676495 + ... + 696456.

It is an arithmetic number, because the mean of its divisors is an integer number (1650974780).

Almost surely, 2^13703423931 is an apocalyptic number.

13703423931 is a deficient number, since it is larger than the sum of its proper divisors (6108273429).

13703423931 is a wasteful number, since it uses less digits than its factorization.

13703423931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374066 (or 1374063 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The spelling of 13703423931 in words is "thirteen billion, seven hundred three million, four hundred twenty-three thousand, nine hundred thirty-one".