31101044243 has 2 divisors, whose sum is σ = 31101044244. Its totient is φ = 31101044242.

The previous prime is 31101044209. The next prime is 31101044263. The reversal of 31101044243 is 34244010113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31101044243 - 2¹⁰ = 31101043219 is a prime.

It is not a weakly prime, because it can be changed into another prime (31101044203) 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, 15550522121 + 15550522122.

It is an arithmetic number, because the mean of its divisors is an integer number (15550522122).

Almost surely, 2^31101044243 is an apocalyptic number.

31101044243 is a deficient number, since it is larger than the sum of its proper divisors (1).

31101044243 is an equidigital number, since it uses as much as digits as its factorization.

31101044243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31101044243 its reverse (34244010113), we get a palindrome (65345054356).

The spelling of 31101044243 in words is "thirty-one billion, one hundred one million, forty-four thousand, two hundred forty-three".