131100310321 has 4 divisors (see below), whose sum is σ = 132759808000. Its totient is φ = 129440812644.

The previous prime is 131100310309. The next prime is 131100310343. The reversal of 131100310321 is 123013001131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123013001131 = 607 ⋅202657333.

It is a cyclic number.

It is not a de Polignac number, because 131100310321 - 2¹³ = 131100302129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131100310295 and 131100310304.

It is not an unprimeable number, because it can be changed into a prime (131100310021) 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, 829748721 + ... + 829748878.

It is an arithmetic number, because the mean of its divisors is an integer number (33189952000).

Almost surely, 2^131100310321 is an apocalyptic number.

It is an amenable number.

131100310321 is a deficient number, since it is larger than the sum of its proper divisors (1659497679).

131100310321 is an equidigital number, since it uses as much as digits as its factorization.

131100310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659497678.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131100310321 its reverse (123013001131), we get a palindrome (254113311452).

The spelling of 131100310321 in words is "one hundred thirty-one billion, one hundred million, three hundred ten thousand, three hundred twenty-one".