231073118 has 4 divisors (see below), whose sum is σ = 346609680. Its totient is φ = 115536558.

The previous prime is 231073049. The next prime is 231073147. The reversal of 231073118 is 811370132.

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

It is a congruent number.

It is an unprimeable number.

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, 57768278 + ... + 57768281.

It is an arithmetic number, because the mean of its divisors is an integer number (86652420).

Almost surely, 2^231073118 is an apocalyptic number.

231073118 is a deficient number, since it is larger than the sum of its proper divisors (115536562).

231073118 is a wasteful number, since it uses less digits than its factorization.

231073118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115536561.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 231073118 is about 15201.0893688577. The cubic root of 231073118 is about 613.6439755022.

The spelling of 231073118 in words is "two hundred thirty-one million, seventy-three thousand, one hundred eighteen".