213133233103 has 8 divisors (see below), whose sum is σ = 243584144672. Its totient is φ = 182683148256.

The previous prime is 213133233059. The next prime is 213133233109. The reversal of 213133233103 is 301332331312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213133233103 - 2²¹ = 213131135951 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 (213133233109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512701 + ... + 830137.

It is an arithmetic number, because the mean of its divisors is an integer number (30448018084).

Almost surely, 2^213133233103 is an apocalyptic number.

213133233103 is a deficient number, since it is larger than the sum of its proper divisors (30450911569).

213133233103 is an equidigital number, since it uses as much as digits as its factorization.

213133233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413361.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213133233103 its reverse (301332331312), we get a palindrome (514465564415).

It can be divided in two parts, 21313 and 3233103, that added together give a square (3254416 = 1804²).

The spelling of 213133233103 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred three".