231274711 has 2 divisors, whose sum is σ = 231274712. Its totient is φ = 231274710.

The previous prime is 231274691. The next prime is 231274759. The reversal of 231274711 is 117472132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231274711 - 2¹⁵ = 231241943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231274711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231274781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115637355 + 115637356.

It is an arithmetic number, because the mean of its divisors is an integer number (115637356).

Almost surely, 2^231274711 is an apocalyptic number.

231274711 is a deficient number, since it is larger than the sum of its proper divisors (1).

231274711 is an equidigital number, since it uses as much as digits as its factorization.

231274711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 28.

The square root of 231274711 is about 15207.7187967164. The cubic root of 231274711 is about 613.8223755599.

The spelling of 231274711 in words is "two hundred thirty-one million, two hundred seventy-four thousand, seven hundred eleven".