211345351334 has 8 divisors (see below), whose sum is σ = 341404029120. Its totient is φ = 97544008296.

The previous prime is 211345351309. The next prime is 211345351339. The reversal of 211345351334 is 433153543112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211345351294 and 211345351303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211345351339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4064333654 + ... + 4064333705.

It is an arithmetic number, because the mean of its divisors is an integer number (42675503640).

Almost surely, 2^211345351334 is an apocalyptic number.

211345351334 is a deficient number, since it is larger than the sum of its proper divisors (130058677786).

211345351334 is a wasteful number, since it uses less digits than its factorization.

211345351334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128667374.

The product of its digits is 64800, while the sum is 35.

Adding to 211345351334 its reverse (433153543112), we get a palindrome (644498894446).

The spelling of 211345351334 in words is "two hundred eleven billion, three hundred forty-five million, three hundred fifty-one thousand, three hundred thirty-four".