231101459 has 2 divisors, whose sum is σ = 231101460. Its totient is φ = 231101458.

The previous prime is 231101443. The next prime is 231101477. The reversal of 231101459 is 954101132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231101459 - 2⁴ = 231101443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231101419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115550729 + 115550730.

It is an arithmetic number, because the mean of its divisors is an integer number (115550730).

Almost surely, 2^231101459 is an apocalyptic number.

231101459 is a deficient number, since it is larger than the sum of its proper divisors (1).

231101459 is an equidigital number, since it uses as much as digits as its factorization.

231101459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 231101459 is about 15202.0215432027. The cubic root of 231101459 is about 613.6690621834.

The spelling of 231101459 in words is "two hundred thirty-one million, one hundred one thousand, four hundred fifty-nine".