3034043021 has 2 divisors, whose sum is σ = 3034043022. Its totient is φ = 3034043020.

The previous prime is 3034043011. The next prime is 3034043039. The reversal of 3034043021 is 1203404303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2824922500 + 209120521 = 53150^2 + 14461^2 .

It is an emirp because it is prime and its reverse (1203404303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3034043021 - 2¹⁸ = 3033780877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3034042984 and 3034043002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3034043011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517021510 + 1517021511.

It is an arithmetic number, because the mean of its divisors is an integer number (1517021511).

Almost surely, 2^3034043021 is an apocalyptic number.

It is an amenable number.

3034043021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3034043021 is an equidigital number, since it uses as much as digits as its factorization.

3034043021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3034043021 is about 55082.1479337907. The cubic root of 3034043021 is about 1447.6844565740.

Adding to 3034043021 its reverse (1203404303), we get a palindrome (4237447324).

It can be divided in two parts, 303404302 and 1, that added together give a palindrome (303404303).

The spelling of 3034043021 in words is "three billion, thirty-four million, forty-three thousand, twenty-one".