211242330403 has 16 divisors (see below), whose sum is σ = 231602565376. Its totient is φ = 191479904640.

The previous prime is 211242330373. The next prime is 211242330419. The reversal of 211242330403 is 304033242112.

It is a cyclic number.

It is not a de Polignac number, because 211242330403 - 2¹³ = 211242322211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211242330433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261925 + ... + 700777.

It is an arithmetic number, because the mean of its divisors is an integer number (14475160336).

Almost surely, 2^211242330403 is an apocalyptic number.

211242330403 is a deficient number, since it is larger than the sum of its proper divisors (20360234973).

211242330403 is a wasteful number, since it uses less digits than its factorization.

211242330403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439534.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 211242330403 its reverse (304033242112), we get a palindrome (515275572515).

The spelling of 211242330403 in words is "two hundred eleven billion, two hundred forty-two million, three hundred thirty thousand, four hundred three".