213305030326 has 16 divisors (see below), whose sum is σ = 324469249200. Its totient is φ = 105155404288.

The previous prime is 213305030249. The next prime is 213305030339. The reversal of 213305030326 is 623030503312.

It is a junction number, because it is equal to n+sod(n) for n = 213305030294 and 213305030303.

It is a congruent number.

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, 1634536 + ... + 1760203.

It is an arithmetic number, because the mean of its divisors is an integer number (20279328075).

Almost surely, 2^213305030326 is an apocalyptic number.

213305030326 is a deficient number, since it is larger than the sum of its proper divisors (111164218874).

213305030326 is a wasteful number, since it uses less digits than its factorization.

213305030326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395183.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 213305030326 its reverse (623030503312), we get a palindrome (836335533638).

The spelling of 213305030326 in words is "two hundred thirteen billion, three hundred five million, thirty thousand, three hundred twenty-six".