211230300403 has 4 divisors (see below), whose sum is σ = 211645291680. Its totient is φ = 210815309128.

The previous prime is 211230300401. The next prime is 211230300439. The reversal of 211230300403 is 304003032112.

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

It is a cyclic number.

It is not a de Polignac number, because 211230300403 - 2¹ = 211230300401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211230300401) 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, 207494875 + ... + 207495892.

It is an arithmetic number, because the mean of its divisors is an integer number (52911322920).

Almost surely, 2^211230300403 is an apocalyptic number.

211230300403 is a deficient number, since it is larger than the sum of its proper divisors (414991277).

211230300403 is an equidigital number, since it uses as much as digits as its factorization.

211230300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414991276.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 211230300403 its reverse (304003032112), we get a palindrome (515233332515).

The spelling of 211230300403 in words is "two hundred eleven billion, two hundred thirty million, three hundred thousand, four hundred three".