2321002220131 has 16 divisors (see below), whose sum is σ = 2714362979328. Its totient is φ = 1943092166400.

The previous prime is 2321002220113. The next prime is 2321002220177. The reversal of 2321002220131 is 1310222001232.

It is not a de Polignac number, because 2321002220131 - 2¹⁹ = 2321001695843 is a prime.

It is a super-2 number, since 2×2321002220131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321002220099 and 2321002220108.

It is not an unprimeable number, because it can be changed into a prime (2321002220231) 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, 8877366 + ... + 9135076.

It is an arithmetic number, because the mean of its divisors is an integer number (169647686208).

Almost surely, 2^{2321002220131} is an apocalyptic number.

2321002220131 is a deficient number, since it is larger than the sum of its proper divisors (393360759197).

2321002220131 is a wasteful number, since it uses less digits than its factorization.

2321002220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287682.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2321002220131 its reverse (1310222001232), we get a palindrome (3631224221363).

The spelling of 2321002220131 in words is "two trillion, three hundred twenty-one billion, two million, two hundred twenty thousand, one hundred thirty-one".