231295830 has 16 divisors (see below), whose sum is σ = 555110064. Its totient is φ = 61678880.

The previous prime is 231295819. The next prime is 231295853. The reversal of 231295830 is 38592132.

It is a junction number, because it is equal to n+sod(n) for n = 231295791 and 231295800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854901 + ... + 3854960.

It is an arithmetic number, because the mean of its divisors is an integer number (34694379).

Almost surely, 2^231295830 is an apocalyptic number.

231295830 is an abundant number, since it is smaller than the sum of its proper divisors (323814234).

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

231295830 is a wasteful number, since it uses less digits than its factorization.

231295830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709871.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 231295830 is about 15208.4131322107. The cubic root of 231295830 is about 613.8410588537.

The spelling of 231295830 in words is "two hundred thirty-one million, two hundred ninety-five thousand, eight hundred thirty".