3431201 has 2 divisors, whose sum is σ = 3431202. Its totient is φ = 3431200.

The previous prime is 3431179. The next prime is 3431203. The reversal of 3431201 is 1021343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 524176 = 1705^2 + 724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431201 is a prime.

It is a Sophie Germain prime.

Together with 3431203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3431203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715600 + 1715601.

It is an arithmetic number, because the mean of its divisors is an integer number (1715601).

Almost surely, 2^3431201 is an apocalyptic number.

It is an amenable number.

3431201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431201 is an equidigital number, since it uses as much as digits as its factorization.

3431201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3431201 is about 1852.3501288903. The cubic root of 3431201 is about 150.8280281262.

Adding to 3431201 its reverse (1021343), we get a palindrome (4452544).

The spelling of 3431201 in words is "three million, four hundred thirty-one thousand, two hundred one".