232212131 has 2 divisors, whose sum is σ = 232212132. Its totient is φ = 232212130.

The previous prime is 232212121. The next prime is 232212137. The reversal of 232212131 is 131212232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232212131 - 2¹⁰ = 232211107 is a prime.

It is a super-2 number, since 2×232212131² = 107844947567122322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232212137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116106065 + 116106066.

It is an arithmetic number, because the mean of its divisors is an integer number (116106066).

Almost surely, 2^232212131 is an apocalyptic number.

232212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

232212131 is an equidigital number, since it uses as much as digits as its factorization.

232212131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 232212131 is about 15238.5081618904. The cubic root of 232212131 is about 614.6505878677.

Adding to 232212131 its reverse (131212232), we get a palindrome (363424363).

It can be divided in two parts, 23221 and 2131, that added together give a palindrome (25352).

The spelling of 232212131 in words is "two hundred thirty-two million, two hundred twelve thousand, one hundred thirty-one".