213333212303 has 4 divisors (see below), whose sum is σ = 213368242728. Its totient is φ = 213298181880.

The previous prime is 213333212251. The next prime is 213333212317. The reversal of 213333212303 is 303212333312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213333212303 - 2²² = 213329017999 is a prime.

It is a super-2 number, since 2×213333212303² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333211303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17506076 + ... + 17518257.

It is an arithmetic number, because the mean of its divisors is an integer number (53342060682).

Almost surely, 2^213333212303 is an apocalyptic number.

213333212303 is a deficient number, since it is larger than the sum of its proper divisors (35030425).

213333212303 is an equidigital number, since it uses as much as digits as its factorization.

213333212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35030424.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213333212303 its reverse (303212333312), we get a palindrome (516545545615).

The spelling of 213333212303 in words is "two hundred thirteen billion, three hundred thirty-three million, two hundred twelve thousand, three hundred three".