31211324341 has 2 divisors, whose sum is σ = 31211324342. Its totient is φ = 31211324340.

The previous prime is 31211324329. The next prime is 31211324351. The reversal of 31211324341 is 14342311213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25977380625 + 5233943716 = 161175^2 + 72346^2 .

It is a cyclic number.

It is not a de Polignac number, because 31211324341 - 2³¹ = 29063840693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31211324311) 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 as a sum of consecutive naturals, namely, 15605662170 + 15605662171.

It is an arithmetic number, because the mean of its divisors is an integer number (15605662171).

Almost surely, 2^31211324341 is an apocalyptic number.

It is an amenable number.

31211324341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31211324341 is an equidigital number, since it uses as much as digits as its factorization.

31211324341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

Adding to 31211324341 its reverse (14342311213), we get a palindrome (45553635554).

The spelling of 31211324341 in words is "thirty-one billion, two hundred eleven million, three hundred twenty-four thousand, three hundred forty-one".