211284060331 has 2 divisors, whose sum is σ = 211284060332. Its totient is φ = 211284060330.

The previous prime is 211284060307. The next prime is 211284060343. The reversal of 211284060331 is 133060482112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211284060331 - 2⁷ = 211284060203 is a prime.

It is a super-2 number, since 2×211284060331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211284060293 and 211284060302.

It is not a weakly prime, because it can be changed into another prime (211284069331) 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, 105642030165 + 105642030166.

It is an arithmetic number, because the mean of its divisors is an integer number (105642030166).

Almost surely, 2^211284060331 is an apocalyptic number.

211284060331 is a deficient number, since it is larger than the sum of its proper divisors (1).

211284060331 is an equidigital number, since it uses as much as digits as its factorization.

211284060331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 211284060331 in words is "two hundred eleven billion, two hundred eighty-four million, sixty thousand, three hundred thirty-one".