131033331989 has 16 divisors (see below), whose sum is σ = 149984714880. Its totient is φ = 112140176640.

The previous prime is 131033331971. The next prime is 131033332009. The reversal of 131033331989 is 989133330131.

It is a cyclic number.

It is not a de Polignac number, because 131033331989 - 2²⁰ = 131032283413 is a prime.

It is a super-2 number, since 2×131033331989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033331389) 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, 14605097 + ... + 14614065.

It is an arithmetic number, because the mean of its divisors is an integer number (9374044680).

Almost surely, 2^131033331989 is an apocalyptic number.

It is an amenable number.

131033331989 is a deficient number, since it is larger than the sum of its proper divisors (18951382891).

131033331989 is a wasteful number, since it uses less digits than its factorization.

131033331989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 131033331989 in words is "one hundred thirty-one billion, thirty-three million, three hundred thirty-one thousand, nine hundred eighty-nine".