320130132 has 120 divisors (see below), whose sum is σ = 895961472. Its totient is φ = 88905600.

The previous prime is 320130131. The next prime is 320130133. The reversal of 320130132 is 231031023.

It is an interprime number because it is at equal distance from previous prime (320130131) and next prime (320130133).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320130131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1181157 + ... + 1181427.

Almost surely, 2^320130132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320130132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447980736).

320130132 is an abundant number, since it is smaller than the sum of its proper divisors (575831340).

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

320130132 is a wasteful number, since it uses less digits than its factorization.

320130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 324 counting only the distinct ones).

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

The square root of 320130132 is about 17892.1807502607. The cubic root of 320130132 is about 684.0830838510.

Adding to 320130132 its reverse (231031023), we get a palindrome (551161155).

It can be divided in two parts, 3201 and 30132, that added together give a palindrome (33333).

The spelling of 320130132 in words is "three hundred twenty million, one hundred thirty thousand, one hundred thirty-two".