3231323261 has 2 divisors, whose sum is σ = 3231323262. Its totient is φ = 3231323260.

The previous prime is 3231323233. The next prime is 3231323309. The reversal of 3231323261 is 1623231323.

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., 3115760761 + 115562500 = 55819^2 + 10750^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231323261 - 2⁶ = 3231323197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3231323261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231323561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615661630 + 1615661631.

It is an arithmetic number, because the mean of its divisors is an integer number (1615661631).

Almost surely, 2^3231323261 is an apocalyptic number.

It is an amenable number.

3231323261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231323261 is an equidigital number, since it uses as much as digits as its factorization.

3231323261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

The square root of 3231323261 is about 56844.7294038770. The cubic root of 3231323261 is about 1478.4051576300.

Adding to 3231323261 its reverse (1623231323), we get a palindrome (4854554584).

The spelling of 3231323261 in words is "three billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred sixty-one".