230178731 has 2 divisors, whose sum is σ = 230178732. Its totient is φ = 230178730.

The previous prime is 230178703. The next prime is 230178743. The reversal of 230178731 is 137871032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230178731 - 2⁶ = 230178667 is a prime.

It is a super-2 number, since 2×230178731² = 105964496409540722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230178931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115089365 + 115089366.

It is an arithmetic number, because the mean of its divisors is an integer number (115089366).

Almost surely, 2^230178731 is an apocalyptic number.

230178731 is a deficient number, since it is larger than the sum of its proper divisors (1).

230178731 is an equidigital number, since it uses as much as digits as its factorization.

230178731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 230178731 is about 15171.6423303478. The cubic root of 230178731 is about 612.8512324530.

The spelling of 230178731 in words is "two hundred thirty million, one hundred seventy-eight thousand, seven hundred thirty-one".