30021232013 has 8 divisors (see below), whose sum is σ = 31895811480. Its totient is φ = 28202610240.

The previous prime is 30021231997. The next prime is 30021232027. The reversal of 30021232013 is 31023212003.

It can be written as a sum of positive squares in 4 ways, for example, as 14342936644 + 15678295369 = 119762^2 + 125213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30021232013 - 2⁴ = 30021231997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30021231982 and 30021232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021232613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13988318 + ... + 13990463.

It is an arithmetic number, because the mean of its divisors is an integer number (3986976435).

Almost surely, 2^30021232013 is an apocalyptic number.

It is an amenable number.

30021232013 is a deficient number, since it is larger than the sum of its proper divisors (1874579467).

30021232013 is a wasteful number, since it uses less digits than its factorization.

30021232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27978847.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30021232013 its reverse (31023212003), we get a palindrome (61044444016).

The spelling of 30021232013 in words is "thirty billion, twenty-one million, two hundred thirty-two thousand, thirteen".