13992029931 has 12 divisors (see below), whose sum is σ = 20506226216. Its totient is φ = 8480017920.

The previous prime is 13992029929. The next prime is 13992029963.

13992029931 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13992029931 - 2¹ = 13992029929 is a prime.

It is a super-2 number, since 2×13992029931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13992029431) 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, 19272406 + ... + 19273131.

Almost surely, 2^13992029931 is an apocalyptic number.

13992029931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13992029931 is a deficient number, since it is larger than the sum of its proper divisors (6514196285).

13992029931 is a wasteful number, since it uses less digits than its factorization.

13992029931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38545562 (or 38545551 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 48.

The spelling of 13992029931 in words is "thirteen billion, nine hundred ninety-two million, twenty-nine thousand, nine hundred thirty-one".