131031022303999 has 4 divisors (see below), whose sum is σ = 135549333417960. Its totient is φ = 126512711190040.

The previous prime is 131031022303981. The next prime is 131031022304003. The reversal of 131031022303999 is 999303220130131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131031022303999 - 2¹⁵ = 131031022271231 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 (131031022301999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259155556937 + ... + 2259155556994.

It is an arithmetic number, because the mean of its divisors is an integer number (33887333354490).

Almost surely, 2^{131031022303999} is an apocalyptic number.

131031022303999 is a deficient number, since it is larger than the sum of its proper divisors (4518311113961).

131031022303999 is an equidigital number, since it uses as much as digits as its factorization.

131031022303999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518311113960.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 131031022303999 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-two million, three hundred three thousand, nine hundred ninety-nine".