131410204021 has 4 divisors (see below), whose sum is σ = 131762510572. Its totient is φ = 131057897472.

The previous prime is 131410203961. The next prime is 131410204027. The reversal of 131410204021 is 120402014131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90971004996 + 40439199025 = 301614^2 + 201095^2 .

It is a cyclic number.

It is not a de Polignac number, because 131410204021 - 2⁷ = 131410203893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131410204021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131410204027) 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 3 ways as a sum of consecutive naturals, for example, 176152716 + ... + 176153461.

It is an arithmetic number, because the mean of its divisors is an integer number (32940627643).

Almost surely, 2^131410204021 is an apocalyptic number.

It is an amenable number.

131410204021 is a deficient number, since it is larger than the sum of its proper divisors (352306551).

131410204021 is an equidigital number, since it uses as much as digits as its factorization.

131410204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352306550.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131410204021 its reverse (120402014131), we get a palindrome (251812218152).

The spelling of 131410204021 in words is "one hundred thirty-one billion, four hundred ten million, two hundred four thousand, twenty-one".