231298927 has 2 divisors, whose sum is σ = 231298928. Its totient is φ = 231298926.

The previous prime is 231298861. The next prime is 231298933. The reversal of 231298927 is 729892132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231298927 - 2¹⁵ = 231266159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231298937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115649463 + 115649464.

It is an arithmetic number, because the mean of its divisors is an integer number (115649464).

Almost surely, 2^231298927 is an apocalyptic number.

231298927 is a deficient number, since it is larger than the sum of its proper divisors (1).

231298927 is an equidigital number, since it uses as much as digits as its factorization.

231298927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 231298927 is about 15208.5149505137. The cubic root of 231298927 is about 613.8437985735.

The spelling of 231298927 in words is "two hundred thirty-one million, two hundred ninety-eight thousand, nine hundred twenty-seven".