213220411403 has 4 divisors (see below), whose sum is σ = 214325180568. Its totient is φ = 212115642240.

The previous prime is 213220411373. The next prime is 213220411421. The reversal of 213220411403 is 304114022312.

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 213220411403 - 2¹⁰ = 213220410379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213220411603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552384293 + ... + 552384678.

It is an arithmetic number, because the mean of its divisors is an integer number (53581295142).

Almost surely, 2^213220411403 is an apocalyptic number.

213220411403 is a deficient number, since it is larger than the sum of its proper divisors (1104769165).

213220411403 is a wasteful number, since it uses less digits than its factorization.

213220411403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104769164.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213220411403 its reverse (304114022312), we get a palindrome (517334433715).

The spelling of 213220411403 in words is "two hundred thirteen billion, two hundred twenty million, four hundred eleven thousand, four hundred three".