204310231000 has 64 divisors (see below), whose sum is σ = 481019366880. Its totient is φ = 81222652800.

The previous prime is 204310230967. The next prime is 204310231009. The reversal of 204310231000 is 132013402.

It is a happy number.

It is a super-2 number, since 2×204310231000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204310231009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463719 + ... + 789718.

Almost surely, 2^204310231000 is an apocalyptic number.

204310231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204310231000 is an abundant number, since it is smaller than the sum of its proper divisors (276709135880).

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

204310231000 is a wasteful number, since it uses less digits than its factorization.

204310231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253621 (or 1253607 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 204310231000 its reverse (132013402), we get a palindrome (204442244402).

The spelling of 204310231000 in words is "two hundred four billion, three hundred ten million, two hundred thirty-one thousand".