4331103221 has 2 divisors, whose sum is σ = 4331103222. Its totient is φ = 4331103220.

The previous prime is 4331103197. The next prime is 4331103229. The reversal of 4331103221 is 1223011334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4078738225 + 252364996 = 63865^2 + 15886^2 .

It is a cyclic number.

It is not a de Polignac number, because 4331103221 - 2¹⁰ = 4331102197 is a prime.

It is a super-2 number, since 2×4331103221² = 37516910221913149682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4331103193 and 4331103202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4331103229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2165551610 + 2165551611.

It is an arithmetic number, because the mean of its divisors is an integer number (2165551611).

Almost surely, 2^4331103221 is an apocalyptic number.

It is an amenable number.

4331103221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4331103221 is an equidigital number, since it uses as much as digits as its factorization.

4331103221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4331103221 is about 65811.1177613631. The cubic root of 4331103221 is about 1630.0446900816.

Adding to 4331103221 its reverse (1223011334), we get a palindrome (5554114555).

The spelling of 4331103221 in words is "four billion, three hundred thirty-one million, one hundred three thousand, two hundred twenty-one".