213220443034 has 16 divisors (see below), whose sum is σ = 339931867968. Its totient is φ = 99957510592.

The previous prime is 213220443019. The next prime is 213220443043. The reversal of 213220443034 is 430344022312.

It is a junction number, because it is equal to n+sod(n) for n = 213220442993 and 213220443011.

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, 11913472 + ... + 11931355.

It is an arithmetic number, because the mean of its divisors is an integer number (21245741748).

Almost surely, 2^213220443034 is an apocalyptic number.

213220443034 is a deficient number, since it is larger than the sum of its proper divisors (126711424934).

213220443034 is a wasteful number, since it uses less digits than its factorization.

213220443034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23845109.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 213220443034 its reverse (430344022312), we get a palindrome (643564465346).

The spelling of 213220443034 in words is "two hundred thirteen billion, two hundred twenty million, four hundred forty-three thousand, thirty-four".