32231321120 has 48 divisors (see below), whose sum is σ = 76421498328. Its totient is φ = 12845967360.

The previous prime is 32231321113. The next prime is 32231321149. The reversal of 32231321120 is 2112313223.

It can be written as a sum of positive squares in 4 ways, for example, as 25190768656 + 7040552464 = 158716^2 + 83908^2 .

It is a super-2 number, since 2×32231321120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32231321092 and 32231321101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319301 + ... + 407940.

Almost surely, 2^32231321120 is an apocalyptic number.

It is an amenable number.

32231321120 is an abundant number, since it is smaller than the sum of its proper divisors (44190177208).

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

32231321120 is a wasteful number, since it uses less digits than its factorization.

32231321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727533 (or 727525 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32231321120 its reverse (2112313223), we get a palindrome (34343634343).

The spelling of 32231321120 in words is "thirty-two billion, two hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty".