321132130 has 16 divisors (see below), whose sum is σ = 630586944. Its totient is φ = 116775280.

The previous prime is 321132047. The next prime is 321132137. The reversal of 321132130 is 31231123.

It is not an unprimeable number, because it can be changed into a prime (321132137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459582 + ... + 1459801.

It is an arithmetic number, because the mean of its divisors is an integer number (39411684).

Almost surely, 2^321132130 is an apocalyptic number.

321132130 is a deficient number, since it is larger than the sum of its proper divisors (309454814).

321132130 is a wasteful number, since it uses less digits than its factorization.

321132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919401.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 321132130 is about 17920.1598765190. The cubic root of 321132130 is about 684.7960605526.

Adding to 321132130 its reverse (31231123), we get a palindrome (352363253).

It can be divided in two parts, 32113 and 2130, that added together give a palindrome (34243).

The spelling of 321132130 in words is "three hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty".