213113230303 has 24 divisors (see below), whose sum is σ = 221329253376. Its totient is φ = 205107804720.

The previous prime is 213113230301. The next prime is 213113230357. The reversal of 213113230303 is 303032311312.

It is not a de Polignac number, because 213113230303 - 2¹ = 213113230301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115382526 + ... + 115384372.

It is an arithmetic number, because the mean of its divisors is an integer number (9222052224).

Almost surely, 2^213113230303 is an apocalyptic number.

213113230303 is a deficient number, since it is larger than the sum of its proper divisors (8216023073).

213113230303 is an equidigital number, since it uses as much as digits as its factorization.

213113230303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213113230303 its reverse (303032311312), we get a palindrome (516145541615).

The spelling of 213113230303 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred thirty thousand, three hundred three".