211341442 has 16 divisors (see below), whose sum is σ = 342119232. Its totient is φ = 97336080.

The previous prime is 211341439. The next prime is 211341463. The reversal of 211341442 is 244143112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4317 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (21382452).

Almost surely, 2^211341442 is an apocalyptic number.

211341442 is a deficient number, since it is larger than the sum of its proper divisors (130777790).

211341442 is a wasteful number, since it uses less digits than its factorization.

211341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17193.

The product of its digits is 768, while the sum is 22.

The square root of 211341442 is about 14537.5872138399. The cubic root of 211341442 is about 595.6551332040.

Adding to 211341442 its reverse (244143112), we get a palindrome (455484554).

The spelling of 211341442 in words is "two hundred eleven million, three hundred forty-one thousand, four hundred forty-two".