231323330132 has 12 divisors (see below), whose sum is σ = 405660958080. Its totient is φ = 115420199256.

The previous prime is 231323330123. The next prime is 231323330137. The reversal of 231323330132 is 231033323132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323330137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60364298 + ... + 60368129.

It is an arithmetic number, because the mean of its divisors is an integer number (33805079840).

Almost surely, 2^231323330132 is an apocalyptic number.

It is an amenable number.

231323330132 is a deficient number, since it is larger than the sum of its proper divisors (174337627948).

231323330132 is a wasteful number, since it uses less digits than its factorization.

231323330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120732910 (or 120732908 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 231323330132 its reverse (231033323132), we get a palindrome (462356653264).

The spelling of 231323330132 in words is "two hundred thirty-one billion, three hundred twenty-three million, three hundred thirty thousand, one hundred thirty-two".