3000021313 has 4 divisors (see below), whose sum is σ = 3000178260. Its totient is φ = 2999864368.

The previous prime is 3000021301. The next prime is 3000021329. The reversal of 3000021313 is 3131200003.

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 2715660544 + 284360769 = 52112^2 + 16863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3000021313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3000021293 and 3000021302.

It is not an unprimeable number, because it can be changed into a prime (3000021613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45058 + ... + 89611.

It is an arithmetic number, because the mean of its divisors is an integer number (750044565).

Almost surely, 2^3000021313 is an apocalyptic number.

It is an amenable number.

3000021313 is a deficient number, since it is larger than the sum of its proper divisors (156947).

3000021313 is a wasteful number, since it uses less digits than its factorization.

3000021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156946.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3000021313 is about 54772.4503103522. The cubic root of 3000021313 is about 1442.2529857066.

Adding to 3000021313 its reverse (3131200003), we get a palindrome (6131221316).

The spelling of 3000021313 in words is "three billion, twenty-one thousand, three hundred thirteen".