3021143021 has 4 divisors (see below), whose sum is σ = 3253538652. Its totient is φ = 2788747392.

The previous prime is 3021142997. The next prime is 3021143039. The reversal of 3021143021 is 1203411203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1483405225 + 1537737796 = 38515^2 + 39214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3021143021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021143821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116197796 + ... + 116197821.

It is an arithmetic number, because the mean of its divisors is an integer number (813384663).

Almost surely, 2^3021143021 is an apocalyptic number.

It is an amenable number.

3021143021 is a deficient number, since it is larger than the sum of its proper divisors (232395631).

3021143021 is a wasteful number, since it uses less digits than its factorization.

3021143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232395630.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3021143021 is about 54964.9253706398. The cubic root of 3021143021 is about 1445.6298098645.

Adding to 3021143021 its reverse (1203411203), we get a palindrome (4224554224).

The spelling of 3021143021 in words is "three billion, twenty-one million, one hundred forty-three thousand, twenty-one".