3201401243 has 4 divisors (see below), whose sum is σ = 3201688440. Its totient is φ = 3201114048.

The previous prime is 3201401239. The next prime is 3201401261. The reversal of 3201401243 is 3421041023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3201401243 - 2² = 3201401239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201401543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126173 + ... + 149406.

It is an arithmetic number, because the mean of its divisors is an integer number (800422110).

Almost surely, 2^3201401243 is an apocalyptic number.

3201401243 is a deficient number, since it is larger than the sum of its proper divisors (287197).

3201401243 is a wasteful number, since it uses less digits than its factorization.

3201401243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287196.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3201401243 is about 56580.9264947120. The cubic root of 3201401243 is about 1473.8276607078.

Adding to 3201401243 its reverse (3421041023), we get a palindrome (6622442266).

The spelling of 3201401243 in words is "three billion, two hundred one million, four hundred one thousand, two hundred forty-three".