131300642234421 has 28 divisors (see below), whose sum is σ = 214757354240160. Its totient is φ = 79576146803880.

The previous prime is 131300642234383. The next prime is 131300642234473. The reversal of 131300642234421 is 124432246003131.

131300642234421 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 0 + 6 + 4 + 223 + 4 + 421 = 666.

It is not a de Polignac number, because 131300642234421 - 2²¹ = 131300640137269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131300642234491) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8186838361 + ... + 8186854398.

Almost surely, 2^{131300642234421} is an apocalyptic number.

131300642234421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131300642234421 is a deficient number, since it is larger than the sum of its proper divisors (83456712005739).

131300642234421 is an equidigital number, since it uses as much as digits as its factorization.

131300642234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16373692788 (or 16373692773 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 131300642234421 its reverse (124432246003131), we get a palindrome (255732888237552).

The spelling of 131300642234421 in words is "one hundred thirty-one trillion, three hundred billion, six hundred forty-two million, two hundred thirty-four thousand, four hundred twenty-one".