131479058981 has 8 divisors (see below), whose sum is σ = 139826399040. Its totient is φ = 123199860928.

The previous prime is 131479058969. The next prime is 131479058999. The reversal of 131479058981 is 189850974131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131479058981 - 2⁶ = 131479058917 is a prime.

It is a super-2 number, since 2×131479058981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131479058681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031521 + ... + 17039238.

It is an arithmetic number, because the mean of its divisors is an integer number (17478299880).

Almost surely, 2^131479058981 is an apocalyptic number.

It is an amenable number.

131479058981 is a deficient number, since it is larger than the sum of its proper divisors (8347340059).

131479058981 is a wasteful number, since it uses less digits than its factorization.

131479058981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34071003.

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 131479058981 in words is "one hundred thirty-one billion, four hundred seventy-nine million, fifty-eight thousand, nine hundred eighty-one".