32131021332 has 48 divisors (see below), whose sum is σ = 75774150144. Its totient is φ = 10596300000.

The previous prime is 32131021319. The next prime is 32131021339. The reversal of 32131021332 is 23312013123.

It is a junction number, because it is equal to n+sod(n) for n = 32131021299 and 32131021308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131021339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489457 + ... + 551207.

It is an arithmetic number, because the mean of its divisors is an integer number (1578628128).

Almost surely, 2^32131021332 is an apocalyptic number.

It is an amenable number.

32131021332 is an abundant number, since it is smaller than the sum of its proper divisors (43643128812).

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

32131021332 is a wasteful number, since it uses less digits than its factorization.

32131021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62220 (or 62218 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32131021332 its reverse (23312013123), we get a palindrome (55443034455).

The spelling of 32131021332 in words is "thirty-two billion, one hundred thirty-one million, twenty-one thousand, three hundred thirty-two".