231022000000 has 224 divisors, whose sum is σ = 627650559720. Its totient is φ = 84000000000.

The previous prime is 231021999977. The next prime is 231022000019. The reversal of 231022000000 is 220132.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 21994750 + ... + 22005250.

Almost surely, 2^231022000000 is an apocalyptic number.

231022000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231022000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313825279860).

231022000000 is an abundant number, since it is smaller than the sum of its proper divisors (396628559720).

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

231022000000 is an frugal number, since it uses more digits than its factorization.

231022000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10556 (or 10519 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 231022000000 its reverse (220132), we get a palindrome (231022220132).

The spelling of 231022000000 in words is "two hundred thirty-one billion, twenty-two million", and thus it is an aban number.