131100012323 has 4 divisors (see below), whose sum is σ = 149828585520. Its totient is φ = 112371439128.

The previous prime is 131100012319. The next prime is 131100012347. The reversal of 131100012323 is 323210001131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131100012323 - 2² = 131100012319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131100012623) 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, 9364286588 + ... + 9364286601.

It is an arithmetic number, because the mean of its divisors is an integer number (37457146380).

Almost surely, 2^131100012323 is an apocalyptic number.

131100012323 is a deficient number, since it is larger than the sum of its proper divisors (18728573197).

131100012323 is an equidigital number, since it uses as much as digits as its factorization.

131100012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18728573196.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131100012323 its reverse (323210001131), we get a palindrome (454310013454).

The spelling of 131100012323 in words is "one hundred thirty-one billion, one hundred million, twelve thousand, three hundred twenty-three".