31043122332 has 12 divisors (see below), whose sum is σ = 72433952136. Its totient is φ = 10347707440.

The previous prime is 31043122321. The next prime is 31043122337. The reversal of 31043122332 is 23322134013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043122337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1293463419 + ... + 1293463442.

It is an arithmetic number, because the mean of its divisors is an integer number (6036162678).

Almost surely, 2^31043122332 is an apocalyptic number.

It is an amenable number.

31043122332 is an abundant number, since it is smaller than the sum of its proper divisors (41390829804).

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

31043122332 is a wasteful number, since it uses less digits than its factorization.

31043122332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586926868 (or 2586926866 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31043122332 its reverse (23322134013), we get a palindrome (54365256345).

The spelling of 31043122332 in words is "thirty-one billion, forty-three million, one hundred twenty-two thousand, three hundred thirty-two".