131330413534421 has 4 divisors (see below), whose sum is σ = 131336211553344. Its totient is φ = 131324615515500.

The previous prime is 131330413534393. The next prime is 131330413534423. The reversal of 131330413534421 is 124435314033131.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131330413534421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330413534423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898975485 + ... + 2899020786.

It is an arithmetic number, because the mean of its divisors is an integer number (32834052888336).

Almost surely, 2^{131330413534421} is an apocalyptic number.

It is an amenable number.

131330413534421 is a deficient number, since it is larger than the sum of its proper divisors (5798018923).

131330413534421 is an equidigital number, since it uses as much as digits as its factorization.

131330413534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798018922.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 131330413534421 its reverse (124435314033131), we get a palindrome (255765727567552).

The spelling of 131330413534421 in words is "one hundred thirty-one trillion, three hundred thirty billion, four hundred thirteen million, five hundred thirty-four thousand, four hundred twenty-one".