30321132 has 24 divisors (see below), whose sum is σ = 74911536. Its totient is φ = 9512448.

The previous prime is 30321127. The next prime is 30321163. The reversal of 30321132 is 23112303.

It is a super-2 number, since 2×30321132² = 1838742091522848, which contains 22 as substring.

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, 74113 + ... + 74520.

It is an arithmetic number, because the mean of its divisors is an integer number (3121314).

Almost surely, 2^30321132 is an apocalyptic number.

It is an amenable number.

30321132 is an abundant number, since it is smaller than the sum of its proper divisors (44590404).

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

30321132 is a wasteful number, since it uses less digits than its factorization.

30321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148657 (or 148655 counting only the distinct ones).

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

The square root of 30321132 is about 5506.4627484439. The cubic root of 30321132 is about 311.8280199460.

Adding to 30321132 its reverse (23112303), we get a palindrome (53433435).

The spelling of 30321132 in words is "thirty million, three hundred twenty-one thousand, one hundred thirty-two".