131131023331998 has 8 divisors (see below), whose sum is σ = 262262046664008. Its totient is φ = 43710341110664.

The previous prime is 131131023331961. The next prime is 131131023331999. The reversal of 131131023331998 is 899133320131131.

It is a happy number.

131131023331998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

131131023331998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131023331999) 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, 10927585277661 + ... + 10927585277672.

It is an arithmetic number, because the mean of its divisors is an integer number (32782755833001).

Almost surely, 2^{131131023331998} is an apocalyptic number.

131131023331998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131131023331998 is a wasteful number, since it uses less digits than its factorization.

131131023331998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855170555338.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 131131023331998 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, twenty-three million, three hundred thirty-one thousand, nine hundred ninety-eight".