231044894 has 4 divisors (see below), whose sum is σ = 346567344. Its totient is φ = 115522446.

The previous prime is 231044851. The next prime is 231044899. The reversal of 231044894 is 498440132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231044899) 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, 57761222 + ... + 57761225.

It is an arithmetic number, because the mean of its divisors is an integer number (86641836).

Almost surely, 2^231044894 is an apocalyptic number.

231044894 is a deficient number, since it is larger than the sum of its proper divisors (115522450).

231044894 is a wasteful number, since it uses less digits than its factorization.

231044894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115522449.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 231044894 is about 15200.1609859896. The cubic root of 231044894 is about 613.6189903476.

The spelling of 231044894 in words is "two hundred thirty-one million, forty-four thousand, eight hundred ninety-four".