231262667 has 2 divisors, whose sum is σ = 231262668. Its totient is φ = 231262666.

The previous prime is 231262663. The next prime is 231262687. The reversal of 231262667 is 766262132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231262667 - 2² = 231262663 is a prime.

It is a super-2 number, since 2×231262667² = 106964842295905778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231262663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115631333 + 115631334.

It is an arithmetic number, because the mean of its divisors is an integer number (115631334).

Almost surely, 2^231262667 is an apocalyptic number.

231262667 is a deficient number, since it is larger than the sum of its proper divisors (1).

231262667 is an equidigital number, since it uses as much as digits as its factorization.

231262667 is an odious number, because the sum of its binary digits is odd.

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

The square root of 231262667 is about 15207.3228084367. The cubic root of 231262667 is about 613.8117201147.

The spelling of 231262667 in words is "two hundred thirty-one million, two hundred sixty-two thousand, six hundred sixty-seven".