3083031221 has 2 divisors, whose sum is σ = 3083031222. Its totient is φ = 3083031220.

The previous prime is 3083031191. The next prime is 3083031227. The reversal of 3083031221 is 1221303803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1891815025 + 1191216196 = 43495^2 + 34514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3083031221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3083031227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541515610 + 1541515611.

It is an arithmetic number, because the mean of its divisors is an integer number (1541515611).

Almost surely, 2^3083031221 is an apocalyptic number.

It is an amenable number.

3083031221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3083031221 is an equidigital number, since it uses as much as digits as its factorization.

3083031221 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 23.

The square root of 3083031221 is about 55525.0503916926. The cubic root of 3083031221 is about 1455.4344181354.

The spelling of 3083031221 in words is "three billion, eighty-three million, thirty-one thousand, two hundred twenty-one".