231322122032 has 80 divisors (see below), whose sum is σ = 473361473760. Its totient is φ = 109206061056.

The previous prime is 231322122029. The next prime is 231322122079. The reversal of 231322122032 is 230221223132.

It is a junction number, because it is equal to n+sod(n) for n = 231322121989 and 231322122007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190075088 + ... + 190076304.

It is an arithmetic number, because the mean of its divisors is an integer number (5917018422).

Almost surely, 2^231322122032 is an apocalyptic number.

It is an amenable number.

231322122032 is an abundant number, since it is smaller than the sum of its proper divisors (242039351728).

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

231322122032 is a wasteful number, since it uses less digits than its factorization.

231322122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231322122032 its reverse (230221223132), we get a palindrome (461543345164).

The spelling of 231322122032 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, thirty-two".