131201420200401 has 4 divisors (see below), whose sum is σ = 174935226933872. Its totient is φ = 87467613466932.

The previous prime is 131201420200397. The next prime is 131201420200471. The reversal of 131201420200401 is 104002024102131.

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 131201420200401 - 2² = 131201420200397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131201420200471) 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, 21866903366731 + ... + 21866903366736.

It is an arithmetic number, because the mean of its divisors is an integer number (43733806733468).

Almost surely, 2^{131201420200401} is an apocalyptic number.

It is an amenable number.

131201420200401 is a deficient number, since it is larger than the sum of its proper divisors (43733806733471).

131201420200401 is an equidigital number, since it uses as much as digits as its factorization.

131201420200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43733806733470.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 131201420200401 its reverse (104002024102131), we get a palindrome (235203444302532).

The spelling of 131201420200401 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty million, two hundred thousand, four hundred one".