31204320341 has 2 divisors, whose sum is σ = 31204320342. Its totient is φ = 31204320340.

The previous prime is 31204320313. The next prime is 31204320353. The reversal of 31204320341 is 14302340213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18445714225 + 12758606116 = 135815^2 + 112954^2 .

It is a cyclic number.

It is not a de Polignac number, because 31204320341 - 2¹⁴ = 31204303957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204320311) 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, 15602160170 + 15602160171.

It is an arithmetic number, because the mean of its divisors is an integer number (15602160171).

Almost surely, 2^31204320341 is an apocalyptic number.

It is an amenable number.

31204320341 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204320341 is an equidigital number, since it uses as much as digits as its factorization.

31204320341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31204320341 its reverse (14302340213), we get a palindrome (45506660554).

The spelling of 31204320341 in words is "thirty-one billion, two hundred four million, three hundred twenty thousand, three hundred forty-one".