3231131441 has 2 divisors, whose sum is σ = 3231131442. Its totient is φ = 3231131440.

The previous prime is 3231131381. The next prime is 3231131443. The reversal of 3231131441 is 1441311323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3133200625 + 97930816 = 55975^2 + 9896^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231131441 - 2⁶ = 3231131377 is a prime.

Together with 3231131443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3231131443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615565720 + 1615565721.

It is an arithmetic number, because the mean of its divisors is an integer number (1615565721).

Almost surely, 2^3231131441 is an apocalyptic number.

It is an amenable number.

3231131441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231131441 is an equidigital number, since it uses as much as digits as its factorization.

3231131441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 3231131441 is about 56843.0421511727. The cubic root of 3231131441 is about 1478.3759030216.

Adding to 3231131441 its reverse (1441311323), we get a palindrome (4672442764).

The spelling of 3231131441 in words is "three billion, two hundred thirty-one million, one hundred thirty-one thousand, four hundred forty-one".