213311125430 has 32 divisors (see below), whose sum is σ = 413682147648. Its totient is φ = 78725462400.

The previous prime is 213311125429. The next prime is 213311125439. The reversal of 213311125430 is 34521113312.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 213311125430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311125439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80666 + ... + 658125.

It is an arithmetic number, because the mean of its divisors is an integer number (12927567114).

Almost surely, 2^213311125430 is an apocalyptic number.

213311125430 is a deficient number, since it is larger than the sum of its proper divisors (200371022218).

213311125430 is a wasteful number, since it uses less digits than its factorization.

213311125430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741032.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 213311125430 its reverse (34521113312), we get a palindrome (247832238742).

The spelling of 213311125430 in words is "two hundred thirteen billion, three hundred eleven million, one hundred twenty-five thousand, four hundred thirty".