202213321231 has 2 divisors, whose sum is σ = 202213321232. Its totient is φ = 202213321230.

The previous prime is 202213321229. The next prime is 202213321241. The reversal of 202213321231 is 132123312202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202213321231 - 2¹ = 202213321229 is a prime.

It is a super-2 number, since 2×202213321231² (a number of 23 digits) contains 22 as substring.

Together with 202213321229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202213321241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106660615 + 101106660616.

It is an arithmetic number, because the mean of its divisors is an integer number (101106660616).

Almost surely, 2^202213321231 is an apocalyptic number.

202213321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202213321231 is an equidigital number, since it uses as much as digits as its factorization.

202213321231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202213321231 its reverse (132123312202), we get a palindrome (334336633433).

The spelling of 202213321231 in words is "two hundred two billion, two hundred thirteen million, three hundred twenty-one thousand, two hundred thirty-one".