202231302130231 has 4 divisors (see below), whose sum is σ = 220615965960264. Its totient is φ = 183846638300200.

The previous prime is 202231302130211. The next prime is 202231302130241. The reversal of 202231302130231 is 132031203132202.

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

It is a cyclic number.

It is not a de Polignac number, because 202231302130231 - 2²³ = 202231293741623 is a prime.

It is a super-2 number, since 2×202231302130231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202231302130196 and 202231302130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202231302130211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9192331915000 + ... + 9192331915021.

It is an arithmetic number, because the mean of its divisors is an integer number (55153991490066).

Almost surely, 2^{202231302130231} is an apocalyptic number.

202231302130231 is a deficient number, since it is larger than the sum of its proper divisors (18384663830033).

202231302130231 is a wasteful number, since it uses less digits than its factorization.

202231302130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18384663830032.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 202231302130231 its reverse (132031203132202), we get a palindrome (334262505262433).

The spelling of 202231302130231 in words is "two hundred two trillion, two hundred thirty-one billion, three hundred two million, one hundred thirty thousand, two hundred thirty-one".