211313020343 has 2 divisors, whose sum is σ = 211313020344. Its totient is φ = 211313020342.

The previous prime is 211313020337. The next prime is 211313020351. The reversal of 211313020343 is 343020313112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211313020343 - 2⁶ = 211313020279 is a prime.

It is a super-2 number, since 2×211313020343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313020363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656510171 + 105656510172.

It is an arithmetic number, because the mean of its divisors is an integer number (105656510172).

Almost surely, 2^211313020343 is an apocalyptic number.

211313020343 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313020343 is an equidigital number, since it uses as much as digits as its factorization.

211313020343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211313020343 its reverse (343020313112), we get a palindrome (554333333455).

The spelling of 211313020343 in words is "two hundred eleven billion, three hundred thirteen million, twenty thousand, three hundred forty-three".