213231013320333 has 32 divisors (see below), whose sum is σ = 309178747598976. Its totient is φ = 130171490961408.

The previous prime is 213231013320287. The next prime is 213231013320349. The reversal of 213231013320333 is 333023310132312.

It is not a de Polignac number, because 213231013320333 - 2¹⁰ = 213231013319309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213231013320333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231013320433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52839210 + ... + 56731332.

It is an arithmetic number, because the mean of its divisors is an integer number (9661835862468).

Almost surely, 2^{213231013320333} is an apocalyptic number.

It is an amenable number.

213231013320333 is a deficient number, since it is larger than the sum of its proper divisors (95947734278643).

213231013320333 is a wasteful number, since it uses less digits than its factorization.

213231013320333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921213.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 213231013320333 its reverse (333023310132312), we get a palindrome (546254323452645).

The spelling of 213231013320333 in words is "two hundred thirteen trillion, two hundred thirty-one billion, thirteen million, three hundred twenty thousand, three hundred thirty-three".