231283894 has 8 divisors (see below), whose sum is σ = 352806120. Its totient is φ = 113681856.

The previous prime is 231283889. The next prime is 231283957. The reversal of 231283894 is 498382132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979899 + ... + 980134.

It is an arithmetic number, because the mean of its divisors is an integer number (44100765).

Almost surely, 2^231283894 is an apocalyptic number.

231283894 is a deficient number, since it is larger than the sum of its proper divisors (121522226).

231283894 is a wasteful number, since it uses less digits than its factorization.

231283894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960094.

The product of its digits is 82944, while the sum is 40.

The square root of 231283894 is about 15208.0207127686. The cubic root of 231283894 is about 613.8304996017.

The spelling of 231283894 in words is "two hundred thirty-one million, two hundred eighty-three thousand, eight hundred ninety-four".