231212331300 has 72 divisors (see below), whose sum is σ = 690554190592. Its totient is φ = 59667696000.

The previous prime is 231212331293. The next prime is 231212331367. The reversal of 231212331300 is 3133212132.

231212331300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12421471 + ... + 12440070.

Almost surely, 2^231212331300 is an apocalyptic number.

231212331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231212331300 is an abundant number, since it is smaller than the sum of its proper divisors (459341859292).

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

231212331300 is a wasteful number, since it uses less digits than its factorization.

231212331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24861589 (or 24861582 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231212331300 its reverse (3133212132), we get a palindrome (234345543432).

The spelling of 231212331300 in words is "two hundred thirty-one billion, two hundred twelve million, three hundred thirty-one thousand, three hundred".