231302031269 has 2 divisors, whose sum is σ = 231302031270. Its totient is φ = 231302031268.

The previous prime is 231302031239. The next prime is 231302031271. The reversal of 231302031269 is 962130203132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117554351044 + 113747680225 = 342862^2 + 337265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231302031269 is a prime.

It is a super-2 number, since 2×231302031269² (a number of 24 digits) contains 22 as substring.

Together with 231302031271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231302031239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651015634 + 115651015635.

It is an arithmetic number, because the mean of its divisors is an integer number (115651015635).

Almost surely, 2^231302031269 is an apocalyptic number.

It is an amenable number.

231302031269 is a deficient number, since it is larger than the sum of its proper divisors (1).

231302031269 is an equidigital number, since it uses as much as digits as its factorization.

231302031269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 231302031269 in words is "two hundred thirty-one billion, three hundred two million, thirty-one thousand, two hundred sixty-nine".