231803394 has 16 divisors (see below), whose sum is σ = 464142432. Its totient is φ = 77178528.

The previous prime is 231803387. The next prime is 231803413. The reversal of 231803394 is 493308132.

It is a happy 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, 16579 + ... + 27174.

It is an arithmetic number, because the mean of its divisors is an integer number (29008902).

Almost surely, 2^231803394 is an apocalyptic number.

231803394 is an abundant number, since it is smaller than the sum of its proper divisors (232339038).

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

231803394 is a wasteful number, since it uses less digits than its factorization.

231803394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44641.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 231803394 is about 15225.0909356890. The cubic root of 231803394 is about 614.2897425423.

The spelling of 231803394 in words is "two hundred thirty-one million, eight hundred three thousand, three hundred ninety-four".