211401343 has 8 divisors (see below), whose sum is σ = 212502528. Its totient is φ = 210303864.

The previous prime is 211401319. The next prime is 211401367. The reversal of 211401343 is 343104112.

It is an interprime number because it is at equal distance from previous prime (211401319) and next prime (211401367).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211401343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211401343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211401143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244530 + ... + 245392.

It is an arithmetic number, because the mean of its divisors is an integer number (26562816).

Almost surely, 2^211401343 is an apocalyptic number.

211401343 is a deficient number, since it is larger than the sum of its proper divisors (1101185).

211401343 is an equidigital number, since it uses as much as digits as its factorization.

211401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 211401343 is about 14539.6472790780. The cubic root of 211401343 is about 595.7114038647.

Adding to 211401343 its reverse (343104112), we get a palindrome (554505455).

The spelling of 211401343 in words is "two hundred eleven million, four hundred one thousand, three hundred forty-three".