131320402401 has 8 divisors (see below), whose sum is σ = 185393509344. Its totient is φ = 82397115200.

The previous prime is 131320402397. The next prime is 131320402427. The reversal of 131320402401 is 104204023131.

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 131320402401 - 2² = 131320402397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131320402481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287454875 + ... + 1287454976.

It is an arithmetic number, because the mean of its divisors is an integer number (23174188668).

Almost surely, 2^131320402401 is an apocalyptic number.

It is an amenable number.

131320402401 is a deficient number, since it is larger than the sum of its proper divisors (54073106943).

131320402401 is a wasteful number, since it uses less digits than its factorization.

131320402401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574909871.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131320402401 its reverse (104204023131), we get a palindrome (235524425532).

The spelling of 131320402401 in words is "one hundred thirty-one billion, three hundred twenty million, four hundred two thousand, four hundred one".