131312401 has 8 divisors (see below), whose sum is σ = 150789600. Its totient is φ = 113091840.

The previous prime is 131312399. The next prime is 131312413. The reversal of 131312401 is 104213131.

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

It is a cyclic number.

It is not a de Polignac number, because 131312401 - 2¹ = 131312399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312491) 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, 313936 + ... + 314353.

It is an arithmetic number, because the mean of its divisors is an integer number (18848700).

Almost surely, 2^131312401 is an apocalyptic number.

131312401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131312401 is a deficient number, since it is larger than the sum of its proper divisors (19477199).

131312401 is a wasteful number, since it uses less digits than its factorization.

131312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628319.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131312401 is about 11459.1623166792. The cubic root of 131312401 is about 508.2787042491.

Adding to 131312401 its reverse (104213131), we get a palindrome (235525532).

The spelling of 131312401 in words is "one hundred thirty-one million, three hundred twelve thousand, four hundred one".