131370579505481 has 8 divisors (see below), whose sum is σ = 131456011776960. Its totient is φ = 131285148732432.

The previous prime is 131370579505453. The next prime is 131370579505493. The reversal of 131370579505481 is 184505975073131.

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 131370579505481 - 2²² = 131370575311177 is a prime.

It is a super-2 number, since 2×131370579505481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131370579505481.

It is not an unprimeable number, because it can be changed into a prime (131370579505411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215278511 + ... + 215887883.

It is an arithmetic number, because the mean of its divisors is an integer number (16432001472120).

Almost surely, 2^{131370579505481} is an apocalyptic number.

It is an amenable number.

131370579505481 is a deficient number, since it is larger than the sum of its proper divisors (85432271479).

131370579505481 is a wasteful number, since it uses less digits than its factorization.

131370579505481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749215.

The product of its (nonzero) digits is 15876000, while the sum is 59.

The spelling of 131370579505481 in words is "one hundred thirty-one trillion, three hundred seventy billion, five hundred seventy-nine million, five hundred five thousand, four hundred eighty-one".