231331003132 has 12 divisors (see below), whose sum is σ = 407546231400. Its totient is φ = 114889222736.

The previous prime is 231331003073. The next prime is 231331003151. The reversal of 231331003132 is 231300133132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194069038 + ... + 194070229.

It is an arithmetic number, because the mean of its divisors is an integer number (33962185950).

Almost surely, 2^231331003132 is an apocalyptic number.

It is an amenable number.

231331003132 is a deficient number, since it is larger than the sum of its proper divisors (176215228268).

231331003132 is a wasteful number, since it uses less digits than its factorization.

231331003132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388139420 (or 388139418 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231331003132 its reverse (231300133132), we get a palindrome (462631136264).

The spelling of 231331003132 in words is "two hundred thirty-one billion, three hundred thirty-one million, three thousand, one hundred thirty-two".