3030230021 has 12 divisors (see below), whose sum is σ = 3796113132. Its totient is φ = 2397544128.

The previous prime is 3030229997. The next prime is 3030230069. The reversal of 3030230021 is 1200320303.

It can be written as a sum of positive squares in 2 ways, for example, as 749116900 + 2281113121 = 27370^2 + 47761^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3030230021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3030229978 and 3030230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030230521) 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, 2377880 + ... + 2379153.

It is an arithmetic number, because the mean of its divisors is an integer number (316342761).

Almost surely, 2^3030230021 is an apocalyptic number.

It is an amenable number.

3030230021 is a deficient number, since it is larger than the sum of its proper divisors (765883111).

3030230021 is a wasteful number, since it uses less digits than its factorization.

3030230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757060 (or 4757053 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3030230021 is about 55047.5251123972. The cubic root of 3030230021 is about 1447.0777485369.

Adding to 3030230021 its reverse (1200320303), we get a palindrome (4230550324).

The spelling of 3030230021 in words is "three billion, thirty million, two hundred thirty thousand, twenty-one".