231704194 has 4 divisors (see below), whose sum is σ = 347556294. Its totient is φ = 115852096.

The previous prime is 231704189. The next prime is 231704233. The reversal of 231704194 is 491407132.

231704194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 195860025 + 35844169 = 13995^2 + 5987^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57926047 + ... + 57926050.

Almost surely, 2^231704194 is an apocalyptic number.

231704194 is a deficient number, since it is larger than the sum of its proper divisors (115852100).

231704194 is a wasteful number, since it uses less digits than its factorization.

231704194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115852099.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 231704194 is about 15221.8328068600. The cubic root of 231704194 is about 614.2021018393.

The spelling of 231704194 in words is "two hundred thirty-one million, seven hundred four thousand, one hundred ninety-four".