204347231 has 8 divisors (see below), whose sum is σ = 223120128. Its totient is φ = 185607000.

The previous prime is 204347219. The next prime is 204347237. The reversal of 204347231 is 132743402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204347231 is a prime.

It is a super-2 number, since 2×204347231² = 83515581634734722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204347231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204347237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (27890016).

Almost surely, 2^204347231 is an apocalyptic number.

204347231 is a deficient number, since it is larger than the sum of its proper divisors (18772897).

204347231 is a wasteful number, since it uses less digits than its factorization.

204347231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16333.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 204347231 is about 14295.0072053147. The cubic root of 204347231 is about 589.0103403090.

The spelling of 204347231 in words is "two hundred four million, three hundred forty-seven thousand, two hundred thirty-one".