131425332200221 has 16 divisors (see below), whose sum is σ = 132686196140160. Its totient is φ = 130169872946880.

The previous prime is 131425332200213. The next prime is 131425332200251. The reversal of 131425332200221 is 122002233524131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131425332200221 - 2³ = 131425332200213 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 (131425332200251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255072056 + ... + 1255176766.

It is an arithmetic number, because the mean of its divisors is an integer number (8292887258760).

Almost surely, 2^{131425332200221} is an apocalyptic number.

It is an amenable number.

131425332200221 is a deficient number, since it is larger than the sum of its proper divisors (1260863939939).

131425332200221 is a wasteful number, since it uses less digits than its factorization.

131425332200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130404.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 131425332200221 its reverse (122002233524131), we get a palindrome (253427565724352).

The spelling of 131425332200221 in words is "one hundred thirty-one trillion, four hundred twenty-five billion, three hundred thirty-two million, two hundred thousand, two hundred twenty-one".