31133320322243 has 2 divisors, whose sum is σ = 31133320322244. Its totient is φ = 31133320322242.

The previous prime is 31133320322197. The next prime is 31133320322249. The reversal of 31133320322243 is 34222302333113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31133320322243 - 2⁶ = 31133320322179 is a prime.

It is not a weakly prime, because it can be changed into another prime (31133320322249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566660161121 + 15566660161122.

It is an arithmetic number, because the mean of its divisors is an integer number (15566660161122).

Almost surely, 2^{31133320322243} is an apocalyptic number.

31133320322243 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133320322243 is an equidigital number, since it uses as much as digits as its factorization.

31133320322243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 31133320322243 its reverse (34222302333113), we get a palindrome (65355622655356).

The spelling of 31133320322243 in words is "thirty-one trillion, one hundred thirty-three billion, three hundred twenty million, three hundred twenty-two thousand, two hundred forty-three".