204031303100 has 36 divisors (see below), whose sum is σ = 442787545200. Its totient is φ = 81605218560.

The previous prime is 204031303087. The next prime is 204031303193. The reversal of 204031303100 is 1303130402.

It is a happy number.

It is a super-2 number, since 2×204031303100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110596 + ... + 1281204.

Almost surely, 2^204031303100 is an apocalyptic number.

204031303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204031303100 is an abundant number, since it is smaller than the sum of its proper divisors (238756242100).

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

204031303100 is a wasteful number, since it uses less digits than its factorization.

204031303100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182582 (or 182575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 204031303100 its reverse (1303130402), we get a palindrome (205334433502).

The spelling of 204031303100 in words is "two hundred four billion, thirty-one million, three hundred three thousand, one hundred".