231434190 has 48 divisors (see below), whose sum is σ = 648019008. Its totient is φ = 56968128.

The previous prime is 231434179. The next prime is 231434233. The reversal of 231434190 is 91434132.

231434190 is a `hidden beast` number, since 2 + 314 + 341 + 9 + 0 = 666.

It is a super-2 number, since 2×231434190² = 107123568601912200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97734 + ... + 100073.

It is an arithmetic number, because the mean of its divisors is an integer number (13500396).

Almost surely, 2^231434190 is an apocalyptic number.

231434190 is an abundant number, since it is smaller than the sum of its proper divisors (416584818).

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

231434190 is a wasteful number, since it uses less digits than its factorization.

231434190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197833 (or 197830 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 231434190 is about 15212.9612501971. The cubic root of 231434190 is about 613.9634333318.

The spelling of 231434190 in words is "two hundred thirty-one million, four hundred thirty-four thousand, one hundred ninety".