211434240302 has 4 divisors (see below), whose sum is σ = 317151360456. Its totient is φ = 105717120150.

The previous prime is 211434240289. The next prime is 211434240323. The reversal of 211434240302 is 203042434112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52858560074 + ... + 52858560077.

It is an arithmetic number, because the mean of its divisors is an integer number (79287840114).

Almost surely, 2^211434240302 is an apocalyptic number.

211434240302 is a deficient number, since it is larger than the sum of its proper divisors (105717120154).

211434240302 is a wasteful number, since it uses less digits than its factorization.

211434240302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105717120153.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 211434240302 its reverse (203042434112), we get a palindrome (414476674414).

The spelling of 211434240302 in words is "two hundred eleven billion, four hundred thirty-four million, two hundred forty thousand, three hundred two".