30213479232 has 84 divisors (see below), whose sum is σ = 86938879716. Its totient is φ = 10031923200.

The previous prime is 30213479227. The next prime is 30213479239. The reversal of 30213479232 is 23297431203.

30213479232 is a `hidden beast` number, since 302 + 1 + 347 + 9 + 2 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29314918656 + 898560576 = 171216^2 + 29976^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213479239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45982 + ... + 250082.

Almost surely, 2^30213479232 is an apocalyptic number.

30213479232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30213479232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43469439858).

30213479232 is an abundant number, since it is smaller than the sum of its proper divisors (56725400484).

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

30213479232 is a wasteful number, since it uses less digits than its factorization.

30213479232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204376 (or 204363 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 30213479232 in words is "thirty billion, two hundred thirteen million, four hundred seventy-nine thousand, two hundred thirty-two".