321130032 has 40 divisors (see below), whose sum is σ = 835571520. Its totient is φ = 106271040.

The previous prime is 321130027. The next prime is 321130037. The reversal of 321130032 is 230031123.

321130032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (321130027) and next prime (321130037).

It is a junction number, because it is equal to n+sod(n) for n = 321129993 and 321130020.

It is not an unprimeable number, because it can be changed into a prime (321130037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17394 + ... + 30737.

It is an arithmetic number, because the mean of its divisors is an integer number (20889288).

Almost surely, 2^321130032 is an apocalyptic number.

It is an amenable number.

321130032 is an abundant number, since it is smaller than the sum of its proper divisors (514441488).

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

321130032 is a wasteful number, since it uses less digits than its factorization.

321130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48281 (or 48275 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 321130032 is about 17920.1013389992. The cubic root of 321130032 is about 684.7945692607.

Adding to 321130032 its reverse (230031123), we get a palindrome (551161155).

The spelling of 321130032 in words is "three hundred twenty-one million, one hundred thirty thousand, thirty-two".