131413100123 has 4 divisors (see below), whose sum is σ = 132688955568. Its totient is φ = 130137244680.

The previous prime is 131413100047. The next prime is 131413100131. The reversal of 131413100123 is 321001314131.

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 131413100123 - 2¹⁸ = 131412837979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131413100095 and 131413100104.

It is not an unprimeable number, because it can be changed into a prime (131413100023) 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, 637927568 + ... + 637927773.

It is an arithmetic number, because the mean of its divisors is an integer number (33172238892).

Almost surely, 2^131413100123 is an apocalyptic number.

131413100123 is a deficient number, since it is larger than the sum of its proper divisors (1275855445).

131413100123 is a wasteful number, since it uses less digits than its factorization.

131413100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275855444.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131413100123 its reverse (321001314131), we get a palindrome (452414414254).

The spelling of 131413100123 in words is "one hundred thirty-one billion, four hundred thirteen million, one hundred thousand, one hundred twenty-three".