202000000231 has 2 divisors, whose sum is σ = 202000000232. Its totient is φ = 202000000230.

The previous prime is 202000000229. The next prime is 202000000247. The reversal of 202000000231 is 132000000202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202000000231 - 2¹ = 202000000229 is a prime.

It is a super-2 number, since 2×202000000231² (a number of 23 digits) contains 22 as substring.

Together with 202000000229, 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 (202000000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000000115 + 101000000116.

It is an arithmetic number, because the mean of its divisors is an integer number (101000000116).

Almost surely, 2^202000000231 is an apocalyptic number.

202000000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202000000231 is an equidigital number, since it uses as much as digits as its factorization.

202000000231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 202000000231 its reverse (132000000202), we get a palindrome (334000000433).

The spelling of 202000000231 in words is "two hundred two billion, two hundred thirty-one", and thus it is an aban number.