131302222013021 has 16 divisors (see below), whose sum is σ = 139250701563264. Its totient is φ = 123378812519424.

The previous prime is 131302222012999. The next prime is 131302222013101. The reversal of 131302222013021 is 120310222203131.

It is a cyclic number.

It is not a de Polignac number, because 131302222013021 - 2⁴⁶ = 60933477835357 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 (131302222213021) 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, 45290906 + ... + 48102708.

It is an arithmetic number, because the mean of its divisors is an integer number (8703168847704).

Almost surely, 2^{131302222013021} is an apocalyptic number.

It is an amenable number.

131302222013021 is a deficient number, since it is larger than the sum of its proper divisors (7948479550243).

131302222013021 is a wasteful number, since it uses less digits than its factorization.

131302222013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816260.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131302222013021 its reverse (120310222203131), we get a palindrome (251612444216152).

The spelling of 131302222013021 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred twenty-two million, thirteen thousand, twenty-one".