211313020337 has 2 divisors, whose sum is σ = 211313020338. Its totient is φ = 211313020336.

The previous prime is 211313020279. The next prime is 211313020343. The reversal of 211313020337 is 733020313112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109434594481 + 101878425856 = 330809^2 + 319184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211313020337 is a prime.

It is not a weakly prime, because it can be changed into another prime (211313020397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656510168 + 105656510169.

It is an arithmetic number, because the mean of its divisors is an integer number (105656510169).

Almost surely, 2^211313020337 is an apocalyptic number.

It is an amenable number.

211313020337 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313020337 is an equidigital number, since it uses as much as digits as its factorization.

211313020337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 211313020337 its reverse (733020313112), we get a palindrome (944333333449).

The spelling of 211313020337 in words is "two hundred eleven billion, three hundred thirteen million, twenty thousand, three hundred thirty-seven".