211031211983 has 2 divisors, whose sum is σ = 211031211984. Its totient is φ = 211031211982.

The previous prime is 211031211973. The next prime is 211031212039. The reversal of 211031211983 is 389112130112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211031211983 - 2²⁴ = 211014434767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211031211913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515605991 + 105515605992.

It is an arithmetic number, because the mean of its divisors is an integer number (105515605992).

Almost surely, 2^211031211983 is an apocalyptic number.

211031211983 is a deficient number, since it is larger than the sum of its proper divisors (1).

211031211983 is an equidigital number, since it uses as much as digits as its factorization.

211031211983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 211031211983 in words is "two hundred eleven billion, thirty-one million, two hundred eleven thousand, nine hundred eighty-three".