131321100300123 has 8 divisors (see below), whose sum is σ = 175418450680336. Its totient is φ = 87385575060000.

The previous prime is 131321100300097. The next prime is 131321100300179. The reversal of 131321100300123 is 321003001123131.

It is a happy number.

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

It is not a de Polignac number, because 131321100300123 - 2⁹ = 131321100299611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131321100300123.

It is not an unprimeable number, because it can be changed into a prime (131321100300023) 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, 40456283128 + ... + 40456286373.

It is an arithmetic number, because the mean of its divisors is an integer number (21927306335042).

Almost surely, 2^{131321100300123} is an apocalyptic number.

131321100300123 is a deficient number, since it is larger than the sum of its proper divisors (44097350380213).

131321100300123 is an equidigital number, since it uses as much as digits as its factorization.

131321100300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80912570045.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131321100300123 its reverse (321003001123131), we get a palindrome (452324101423254).

The spelling of 131321100300123 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, one hundred million, three hundred thousand, one hundred twenty-three".