2231831900 has 18 divisors (see below), whose sum is σ = 4843075440. Its totient is φ = 892732720.

The previous prime is 2231831869. The next prime is 2231831911. The reversal of 2231831900 is 91381322.

It is a super-3 number, since 3×2231831900³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11159060 + ... + 11159259.

Almost surely, 2^2231831900 is an apocalyptic number.

2231831900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231831900 is an abundant number, since it is smaller than the sum of its proper divisors (2611243540).

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

2231831900 is a wasteful number, since it uses less digits than its factorization.

2231831900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318333 (or 22318326 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2231831900 is about 47242.2681504603. The cubic root of 2231831900 is about 1306.8342062985.

The spelling of 2231831900 in words is "two billion, two hundred thirty-one million, eight hundred thirty-one thousand, nine hundred".