13995059931 has 16 divisors (see below), whose sum is σ = 21293786400. Its totient is φ = 9077876064.

The previous prime is 13995059909. The next prime is 13995059933.

13995059931 is a `hidden beast` number, since 13 + 9 + 9 + 5 + 0 + 599 + 31 = 666.

13995059931 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13995059931 - 2⁵ = 13995059899 is a prime.

It is a super-2 number, since 2×13995059931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13995059933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003536 + ... + 7005533.

It is an arithmetic number, because the mean of its divisors is an integer number (1330861650).

Almost surely, 2^13995059931 is an apocalyptic number.

13995059931 is a deficient number, since it is larger than the sum of its proper divisors (7298726469).

13995059931 is a wasteful number, since it uses less digits than its factorization.

13995059931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14009115 (or 14009109 counting only the distinct ones).

The product of its (nonzero) digits is 1476225, while the sum is 54.

The spelling of 13995059931 in words is "thirteen billion, nine hundred ninety-five million, fifty-nine thousand, nine hundred thirty-one".