230261231 has 2 divisors, whose sum is σ = 230261232. Its totient is φ = 230261230.

The previous prime is 230261183. The next prime is 230261233. The reversal of 230261231 is 132162032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230261231 - 2⁶ = 230261167 is a prime.

It is a super-2 number, since 2×230261231² = 106040469003270722, which contains 22 as substring.

Together with 230261233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230261233) 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, 115130615 + 115130616.

It is an arithmetic number, because the mean of its divisors is an integer number (115130616).

Almost surely, 2^230261231 is an apocalyptic number.

230261231 is a deficient number, since it is larger than the sum of its proper divisors (1).

230261231 is an equidigital number, since it uses as much as digits as its factorization.

230261231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 230261231 is about 15174.3609750131. The cubic root of 230261231 is about 612.9244425003.

The spelling of 230261231 in words is "two hundred thirty million, two hundred sixty-one thousand, two hundred thirty-one".