30001321332 has 18 divisors (see below), whose sum is σ = 75836673458. Its totient is φ = 10000440432.

The previous prime is 30001321331. The next prime is 30001321403. The reversal of 30001321332 is 23312310003.

30001321332 is a `hidden beast` number, since 300 + 0 + 1 + 32 + 1 + 332 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28722114576 + 1279206756 = 169476^2 + 35766^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001321331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416684983 + ... + 416685054.

Almost surely, 2^30001321332 is an apocalyptic number.

It is an amenable number.

30001321332 is an abundant number, since it is smaller than the sum of its proper divisors (45835352126).

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

30001321332 is a wasteful number, since it uses less digits than its factorization.

30001321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833370047 (or 833370042 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30001321332 its reverse (23312310003), we get a palindrome (53313631335).

The spelling of 30001321332 in words is "thirty billion, one million, three hundred twenty-one thousand, three hundred thirty-two".