131356562401 has 4 divisors (see below), whose sum is σ = 137067717312. Its totient is φ = 125645407492.

The previous prime is 131356562347. The next prime is 131356562417. The reversal of 131356562401 is 104265653131.

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.

It is not a de Polignac number, because 131356562401 - 2²³ = 131348173793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131356562201) 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, 2855577421 + ... + 2855577466.

It is an arithmetic number, because the mean of its divisors is an integer number (34266929328).

Almost surely, 2^131356562401 is an apocalyptic number.

It is an amenable number.

131356562401 is a deficient number, since it is larger than the sum of its proper divisors (5711154911).

131356562401 is an equidigital number, since it uses as much as digits as its factorization.

131356562401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711154910.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 131356562401 in words is "one hundred thirty-one billion, three hundred fifty-six million, five hundred sixty-two thousand, four hundred one".