31244244203 has 2 divisors, whose sum is σ = 31244244204. Its totient is φ = 31244244202.

The previous prime is 31244244179. The next prime is 31244244209. The reversal of 31244244203 is 30244244213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31244244203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31244244209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15622122101 + 15622122102.

It is an arithmetic number, because the mean of its divisors is an integer number (15622122102).

Almost surely, 2^31244244203 is an apocalyptic number.

31244244203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31244244203 is an equidigital number, since it uses as much as digits as its factorization.

31244244203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 31244244203 its reverse (30244244213), we get a palindrome (61488488416).

The spelling of 31244244203 in words is "thirty-one billion, two hundred forty-four million, two hundred forty-four thousand, two hundred three".