231322302000000 has 2016 divisors, whose sum is σ = 889624803281760. Its totient is φ = 57679257600000.

The previous prime is 231322301999983. The next prime is 231322302000073. The reversal of 231322302000000 is 203223132.

It is a happy number.

231322302000000 is a `hidden beast` number, since 231 + 3 + 2 + 230 + 200 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 251 ways as a sum of consecutive naturals, for example, 630305999817 + ... + 630306000183.

It is an arithmetic number, because the mean of its divisors is an integer number (441282144485).

Almost surely, 2^{231322302000000} is an apocalyptic number.

231322302000000 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 231322302000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444812401640880).

231322302000000 is an abundant number, since it is smaller than the sum of its proper divisors (658302501281760).

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

231322302000000 is an frugal number, since it uses more digits than its factorization.

231322302000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 231322302000000 its reverse (203223132), we get a palindrome (231322505223132).

The spelling of 231322302000000 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred two million", and thus it is an aban number.