3050221387 has 2 divisors, whose sum is σ = 3050221388. Its totient is φ = 3050221386.

The previous prime is 3050221381. The next prime is 3050221417. The reversal of 3050221387 is 7831220503.

It is a weak prime.

It is an emirp because it is prime and its reverse (7831220503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3050221387 is a prime.

It is not a weakly prime, because it can be changed into another prime (3050221381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525110693 + 1525110694.

It is an arithmetic number, because the mean of its divisors is an integer number (1525110694).

Almost surely, 2^3050221387 is an apocalyptic number.

3050221387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3050221387 is an equidigital number, since it uses as much as digits as its factorization.

3050221387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3050221387 is about 55228.8093932868. The cubic root of 3050221387 is about 1450.2530492963.

The spelling of 3050221387 in words is "three billion, fifty million, two hundred twenty-one thousand, three hundred eighty-seven".