3039020381 has 2 divisors, whose sum is σ = 3039020382. Its totient is φ = 3039020380.

The previous prime is 3039020359. The next prime is 3039020393. The reversal of 3039020381 is 1830209303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2515022500 + 523997881 = 50150^2 + 22891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3039020381 is a prime.

It is a super-2 number, since 2×3039020381² = 18471289752266770322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3039020581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1519510190 + 1519510191.

It is an arithmetic number, because the mean of its divisors is an integer number (1519510191).

Almost surely, 2^3039020381 is an apocalyptic number.

It is an amenable number.

3039020381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3039020381 is an equidigital number, since it uses as much as digits as its factorization.

3039020381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3039020381 is about 55127.3106635903. The cubic root of 3039020381 is about 1448.4756681627.

Adding to 3039020381 its reverse (1830209303), we get a palindrome (4869229684).

The spelling of 3039020381 in words is "three billion, thirty-nine million, twenty thousand, three hundred eighty-one".