3231404243 has 2 divisors, whose sum is σ = 3231404244. Its totient is φ = 3231404242.

The previous prime is 3231404221. The next prime is 3231404263. The reversal of 3231404243 is 3424041323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3231404243 - 2¹² = 3231400147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3231404263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615702121 + 1615702122.

It is an arithmetic number, because the mean of its divisors is an integer number (1615702122).

Almost surely, 2^3231404243 is an apocalyptic number.

3231404243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231404243 is an equidigital number, since it uses as much as digits as its factorization.

3231404243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3231404243 is about 56845.4417081968. The cubic root of 3231404243 is about 1478.4175079064.

Adding to 3231404243 its reverse (3424041323), we get a palindrome (6655445566).

The spelling of 3231404243 in words is "three billion, two hundred thirty-one million, four hundred four thousand, two hundred forty-three".