231246269 has 2 divisors, whose sum is σ = 231246270. Its totient is φ = 231246268.

The previous prime is 231246229. The next prime is 231246277. The reversal of 231246269 is 962642132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172922500 + 58323769 = 13150^2 + 7637^2 .

It is a cyclic number.

It is not a de Polignac number, because 231246269 - 2⁸ = 231246013 is a prime.

It is a super-2 number, since 2×231246269² = 106949673852840722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231246229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115623134 + 115623135.

It is an arithmetic number, because the mean of its divisors is an integer number (115623135).

Almost surely, 2^231246269 is an apocalyptic number.

It is an amenable number.

231246269 is a deficient number, since it is larger than the sum of its proper divisors (1).

231246269 is an equidigital number, since it uses as much as digits as its factorization.

231246269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 231246269 is about 15206.7836507264. The cubic root of 231246269 is about 613.7972120481.

The spelling of 231246269 in words is "two hundred thirty-one million, two hundred forty-six thousand, two hundred sixty-nine".