202322230131 has 16 divisors (see below), whose sum is σ = 313354650368. Its totient is φ = 113717412000.

The previous prime is 202322230111. The next prime is 202322230199. The reversal of 202322230131 is 131032223202.

It is a happy number.

It is not a de Polignac number, because 202322230131 - 2⁷ = 202322230003 is a prime.

It is a super-2 number, since 2×202322230131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202322230098 and 202322230107.

It is not an unprimeable number, because it can be changed into a prime (202322230111) 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, 78969145 + ... + 78971706.

It is an arithmetic number, because the mean of its divisors is an integer number (19584665648).

Almost surely, 2^202322230131 is an apocalyptic number.

202322230131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202322230131 is a deficient number, since it is larger than the sum of its proper divisors (111032420237).

202322230131 is a wasteful number, since it uses less digits than its factorization.

202322230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157940922.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202322230131 its reverse (131032223202), we get a palindrome (333354453333).

The spelling of 202322230131 in words is "two hundred two billion, three hundred twenty-two million, two hundred thirty thousand, one hundred thirty-one".