2231023100 has 18 divisors (see below), whose sum is σ = 4841320344. Its totient is φ = 892409200.

The previous prime is 2231023087. The next prime is 2231023117. The reversal of 2231023100 is 13201322.

It is a happy number.

It is a super-3 number, since 3×2231023100³ (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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11155016 + ... + 11155215.

Almost surely, 2^2231023100 is an apocalyptic number.

2231023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231023100 is an abundant number, since it is smaller than the sum of its proper divisors (2610297244).

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

2231023100 is a wasteful number, since it uses less digits than its factorization.

2231023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310245 (or 22310238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2231023100 is about 47233.7072438741. The cubic root of 2231023100 is about 1306.6763247528.

Adding to 2231023100 its reverse (13201322), we get a palindrome (2244224422).

The spelling of 2231023100 in words is "two billion, two hundred thirty-one million, twenty-three thousand, one hundred".