3431221201 has 2 divisors, whose sum is σ = 3431221202. Its totient is φ = 3431221200.

The previous prime is 3431221177. The next prime is 3431221237. The reversal of 3431221201 is 1021221343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2982798225 + 448422976 = 54615^2 + 21176^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431221201 - 2¹¹ = 3431219153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3431221291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715610600 + 1715610601.

It is an arithmetic number, because the mean of its divisors is an integer number (1715610601).

Almost surely, 2^3431221201 is an apocalyptic number.

It is an amenable number.

3431221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431221201 is an equidigital number, since it uses as much as digits as its factorization.

3431221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3431221201 is about 58576.6267465104. The cubic root of 3431221201 is about 1508.2832412276.

Adding to 3431221201 its reverse (1021221343), we get a palindrome (4452442544).

The spelling of 3431221201 in words is "three billion, four hundred thirty-one million, two hundred twenty-one thousand, two hundred one".