30232302021 has 24 divisors (see below), whose sum is σ = 44105850360. Its totient is φ = 19953495936.

The previous prime is 30232302007. The next prime is 30232302031. The reversal of 30232302021 is 12020323203.

It is a happy number.

30232302021 is a `hidden beast` number, since 302 + 323 + 0 + 20 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8229029796 + 22003272225 = 90714^2 + 148335^2 .

It is not a de Polignac number, because 30232302021 - 2⁵ = 30232301989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30232301985 and 30232302003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232302031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1240671 + ... + 1264803.

It is an arithmetic number, because the mean of its divisors is an integer number (1837743765).

Almost surely, 2^30232302021 is an apocalyptic number.

It is an amenable number.

30232302021 is a deficient number, since it is larger than the sum of its proper divisors (13873548339).

30232302021 is a wasteful number, since it uses less digits than its factorization.

30232302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25525 (or 25522 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30232302021 its reverse (12020323203), we get a palindrome (42252625224).

The spelling of 30232302021 in words is "thirty billion, two hundred thirty-two million, three hundred two thousand, twenty-one".