213203431323303 has 32 divisors (see below), whose sum is σ = 296875738206720. Its totient is φ = 135843586475520.

The previous prime is 213203431323271. The next prime is 213203431323319. The reversal of 213203431323303 is 303323134302312.

It is not a de Polignac number, because 213203431323303 - 2⁵ = 213203431323271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203431322303) 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, 2280667323 + ... + 2280760803.

It is an arithmetic number, because the mean of its divisors is an integer number (9277366818960).

Almost surely, 2^{213203431323303} is an apocalyptic number.

213203431323303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213203431323303 is a deficient number, since it is larger than the sum of its proper divisors (83672306883417).

213203431323303 is a wasteful number, since it uses less digits than its factorization.

213203431323303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120439.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 213203431323303 its reverse (303323134302312), we get a palindrome (516526565625615).

The spelling of 213203431323303 in words is "two hundred thirteen trillion, two hundred three billion, four hundred thirty-one million, three hundred twenty-three thousand, three hundred three".