31322342232 has 96 divisors (see below), whose sum is σ = 89999769600. Its totient is φ = 9813327552.

The previous prime is 31322342201. The next prime is 31322342273. The reversal of 31322342232 is 23224322313.

31322342232 is a `hidden beast` number, since 3 + 13 + 223 + 422 + 3 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31322342196 and 31322342205.

It is a congruent number.

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, 83593 + ... + 263879.

It is an arithmetic number, because the mean of its divisors is an integer number (937497600).

Almost surely, 2^31322342232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31322342232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44999884800).

31322342232 is an abundant number, since it is smaller than the sum of its proper divisors (58677427368).

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

31322342232 is a wasteful number, since it uses less digits than its factorization.

31322342232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180445 (or 180438 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 31322342232 its reverse (23224322313), we get a palindrome (54546664545).

The spelling of 31322342232 in words is "thirty-one billion, three hundred twenty-two million, three hundred forty-two thousand, two hundred thirty-two".