211013323331 has 2 divisors, whose sum is σ = 211013323332. Its totient is φ = 211013323330.

The previous prime is 211013323289. The next prime is 211013323393. The reversal of 211013323331 is 133323310112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211013323331 is a prime.

It is a super-2 number, since 2×211013323331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211013323297 and 211013323306.

It is not a weakly prime, because it can be changed into another prime (211013323831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506661665 + 105506661666.

It is an arithmetic number, because the mean of its divisors is an integer number (105506661666).

Almost surely, 2^211013323331 is an apocalyptic number.

211013323331 is a deficient number, since it is larger than the sum of its proper divisors (1).

211013323331 is an equidigital number, since it uses as much as digits as its factorization.

211013323331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 211013323331 its reverse (133323310112), we get a palindrome (344336633443).

The spelling of 211013323331 in words is "two hundred eleven billion, thirteen million, three hundred twenty-three thousand, three hundred thirty-one".