231266267 has 2 divisors, whose sum is σ = 231266268. Its totient is φ = 231266266.

The previous prime is 231266239. The next prime is 231266291. The reversal of 231266267 is 762662132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231266267 - 2²⁶ = 164157403 is a prime.

It is not a weakly prime, because it can be changed into another prime (231266237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115633133 + 115633134.

It is an arithmetic number, because the mean of its divisors is an integer number (115633134).

Almost surely, 2^231266267 is an apocalyptic number.

231266267 is a deficient number, since it is larger than the sum of its proper divisors (1).

231266267 is an equidigital number, since it uses as much as digits as its factorization.

231266267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 231266267 is about 15207.4411720052. The cubic root of 231266267 is about 613.8149051088.

The spelling of 231266267 in words is "two hundred thirty-one million, two hundred sixty-six thousand, two hundred sixty-seven".