18031059413 has 12 divisors (see below), whose sum is σ = 19091318688. Its totient is φ = 17027024040.

The previous prime is 18031059407. The next prime is 18031059427. The reversal of 18031059413 is 31495013081.

It is not a de Polignac number, because 18031059413 - 2²⁰ = 18030010837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18031059463) 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, 31970 + ... + 192572.

It is an arithmetic number, because the mean of its divisors is an integer number (1590943224).

Almost surely, 2^18031059413 is an apocalyptic number.

It is an amenable number.

18031059413 is a deficient number, since it is larger than the sum of its proper divisors (1060259275).

18031059413 is a wasteful number, since it uses less digits than its factorization.

18031059413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160952 (or 160933 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 18031059413 in words is "eighteen billion, thirty-one million, fifty-nine thousand, four hundred thirteen".