213206152326 has 32 divisors (see below), whose sum is σ = 435681331200. Its totient is φ = 69538118496.

The previous prime is 213206152297. The next prime is 213206152331. The reversal of 213206152326 is 623251602312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719846 + ... + 1839641.

It is an arithmetic number, because the mean of its divisors is an integer number (13615041600).

Almost surely, 2^213206152326 is an apocalyptic number.

213206152326 is an abundant number, since it is smaller than the sum of its proper divisors (222475178874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213206152326 is a wasteful number, since it uses less digits than its factorization.

213206152326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559708.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 213206152326 its reverse (623251602312), we get a palindrome (836457754638).

The spelling of 213206152326 in words is "two hundred thirteen billion, two hundred six million, one hundred fifty-two thousand, three hundred twenty-six".