31020422332 has 12 divisors (see below), whose sum is σ = 54287361856. Its totient is φ = 15509747520.

The previous prime is 31020422317. The next prime is 31020422351. The reversal of 31020422332 is 23322402013.

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 3 ways as a sum of consecutive naturals, for example, 66532 + ... + 257812.

Almost surely, 2^31020422332 is an apocalyptic number.

It is an amenable number.

31020422332 is a deficient number, since it is larger than the sum of its proper divisors (23266939524).

31020422332 is a wasteful number, since it uses less digits than its factorization.

31020422332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231828 (or 231826 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31020422332 its reverse (23322402013), we get a palindrome (54342824345).

The spelling of 31020422332 in words is "thirty-one billion, twenty million, four hundred twenty-two thousand, three hundred thirty-two".