31322030032 has 80 divisors (see below), whose sum is σ = 62949096000. Its totient is φ = 15088020480.

The previous prime is 31322030021. The next prime is 31322030057. The reversal of 31322030032 is 23003022313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31322029991 and 31322030009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18434719 + ... + 18436417.

It is an arithmetic number, because the mean of its divisors is an integer number (786863700).

Almost surely, 2^31322030032 is an apocalyptic number.

It is an amenable number.

31322030032 is an abundant number, since it is smaller than the sum of its proper divisors (31627065968).

31322030032 is a wasteful number, since it uses less digits than its factorization.

31322030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31322030032 its reverse (23003022313), we get a palindrome (54325052345).

The spelling of 31322030032 in words is "thirty-one billion, three hundred twenty-two million, thirty thousand, thirty-two".