231258734 has 12 divisors (see below), whose sum is σ = 403523064. Its totient is φ = 99110844.

The previous prime is 231258719. The next prime is 231258763. The reversal of 231258734 is 437852132.

It is a junction number, because it is equal to n+sod(n) for n = 231258694 and 231258703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1179794 + ... + 1179989.

It is an arithmetic number, because the mean of its divisors is an integer number (33626922).

Almost surely, 2^231258734 is an apocalyptic number.

231258734 is a deficient number, since it is larger than the sum of its proper divisors (172264330).

231258734 is a wasteful number, since it uses less digits than its factorization.

231258734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359799 (or 2359792 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 231258734 is about 15207.1934951851. The cubic root of 231258734 is about 613.8082404708.

The spelling of 231258734 in words is "two hundred thirty-one million, two hundred fifty-eight thousand, seven hundred thirty-four".