232211201231 has 2 divisors, whose sum is σ = 232211201232. Its totient is φ = 232211201230.

The previous prime is 232211201213. The next prime is 232211201239. The reversal of 232211201231 is 132102112232.

Together with previous prime (232211201213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232211201231 - 2³⁰ = 231137459407 is a prime.

It is a super-2 number, since 2×232211201231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232211201239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116105600615 + 116105600616.

It is an arithmetic number, because the mean of its divisors is an integer number (116105600616).

Almost surely, 2^232211201231 is an apocalyptic number.

232211201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

232211201231 is an equidigital number, since it uses as much as digits as its factorization.

232211201231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232211201231 its reverse (132102112232), we get a palindrome (364313313463).

The spelling of 232211201231 in words is "two hundred thirty-two billion, two hundred eleven million, two hundred one thousand, two hundred thirty-one".