131815710547383 has 8 divisors (see below), whose sum is σ = 175772759821696. Its totient is φ = 87867900819000.

The previous prime is 131815710547379. The next prime is 131815710547397. The reversal of 131815710547383 is 383745017518131.

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

It is not a de Polignac number, because 131815710547383 - 2² = 131815710547379 is a prime.

It is a super-2 number, since 2×131815710547383² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131815710567383) 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, 2309853193 + ... + 2309910258.

It is an arithmetic number, because the mean of its divisors is an integer number (21971594977712).

Almost surely, 2^{131815710547383} is an apocalyptic number.

131815710547383 is a deficient number, since it is larger than the sum of its proper divisors (43957049274313).

131815710547383 is an equidigital number, since it uses as much as digits as its factorization.

131815710547383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619772965.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 131815710547383 in words is "one hundred thirty-one trillion, eight hundred fifteen billion, seven hundred ten million, five hundred forty-seven thousand, three hundred eighty-three".