211031122303 has 2 divisors, whose sum is σ = 211031122304. Its totient is φ = 211031122302.

The previous prime is 211031122277. The next prime is 211031122319. The reversal of 211031122303 is 303221130112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211031122303 - 2¹³ = 211031114111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211031122333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515561151 + 105515561152.

It is an arithmetic number, because the mean of its divisors is an integer number (105515561152).

Almost surely, 2^211031122303 is an apocalyptic number.

211031122303 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031122303 is an equidigital number, since it uses as much as digits as its factorization.

211031122303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211031122303 its reverse (303221130112), we get a palindrome (514252252415).

The spelling of 211031122303 in words is "two hundred eleven billion, thirty-one million, one hundred twenty-two thousand, three hundred three".