211048650731 has 2 divisors, whose sum is σ = 211048650732. Its totient is φ = 211048650730.

The previous prime is 211048650679. The next prime is 211048650733. The reversal of 211048650731 is 137056840112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211048650731 - 2⁶ = 211048650667 is a prime.

It is a super-2 number, since 2×211048650731² (a number of 23 digits) contains 22 as substring.

Together with 211048650733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211048650733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105524325365 + 105524325366.

It is an arithmetic number, because the mean of its divisors is an integer number (105524325366).

Almost surely, 2^211048650731 is an apocalyptic number.

211048650731 is a deficient number, since it is larger than the sum of its proper divisors (1).

211048650731 is an equidigital number, since it uses as much as digits as its factorization.

211048650731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 211048650731 in words is "two hundred eleven billion, forty-eight million, six hundred fifty thousand, seven hundred thirty-one".