32031223120 has 40 divisors (see below), whose sum is σ = 80201257416. Its totient is φ = 11826912768.

The previous prime is 32031223097. The next prime is 32031223127. The reversal of 32031223120 is 2132213023.

It can be written as a sum of positive squares in 4 ways, for example, as 98962704 + 31932260416 = 9948^2 + 178696^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32031223127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15398587 + ... + 15400666.

Almost surely, 2^32031223120 is an apocalyptic number.

It is an amenable number.

32031223120 is an abundant number, since it is smaller than the sum of its proper divisors (48170034296).

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

32031223120 is a wasteful number, since it uses less digits than its factorization.

32031223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30799279 (or 30799273 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32031223120 its reverse (2132213023), we get a palindrome (34163436143).

The spelling of 32031223120 in words is "thirty-two billion, thirty-one million, two hundred twenty-three thousand, one hundred twenty".