230971136 has 36 divisors (see below), whose sum is σ = 502958904. Its totient is φ = 104985600.

The previous prime is 230971133. The next prime is 230971159. The reversal of 230971136 is 631179032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230971133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38195 + ... + 43826.

Almost surely, 2^230971136 is an apocalyptic number.

It is an amenable number.

230971136 is an abundant number, since it is smaller than the sum of its proper divisors (271987768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230971136 is an equidigital number, since it uses as much as digits as its factorization.

230971136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82048 (or 82034 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 230971136 is about 15197.7345680203. The cubic root of 230971136 is about 613.5536868392.

The spelling of 230971136 in words is "two hundred thirty million, nine hundred seventy-one thousand, one hundred thirty-six".