231302321300 has 72 divisors (see below), whose sum is σ = 531550837944. Its totient is φ = 87062179840.

The previous prime is 231302321291. The next prime is 231302321311. The reversal of 231302321300 is 3123203132.

231302321300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 27751561744 + 203550759556 = 166588^2 + 451166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 23 ways as a sum of consecutive naturals, for example, 12871922 + ... + 12889878.

It is an arithmetic number, because the mean of its divisors is an integer number (7382650527).

Almost surely, 2^231302321300 is an apocalyptic number.

231302321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302321300 is an abundant number, since it is smaller than the sum of its proper divisors (300248516644).

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

231302321300 is a wasteful number, since it uses less digits than its factorization.

231302321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25565 (or 25558 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231302321300 its reverse (3123203132), we get a palindrome (234425524432).

The spelling of 231302321300 in words is "two hundred thirty-one billion, three hundred two million, three hundred twenty-one thousand, three hundred".