213122331102303 has 24 divisors (see below), whose sum is σ = 351826364486688. Its totient is φ = 121782329157312.

The previous prime is 213122331102299. The next prime is 213122331102341. The reversal of 213122331102303 is 303201133221312.

213122331102303 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 22 + 331 + 1 + 0 + 2 + 303 = 666.

It is not a de Polignac number, because 213122331102303 - 2² = 213122331102299 is a prime.

It is a super-2 number, since 2×213122331102303² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122331102803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21671076 + ... + 29931257.

It is an arithmetic number, because the mean of its divisors is an integer number (14659431853612).

Almost surely, 2^{213122331102303} is an apocalyptic number.

213122331102303 is a deficient number, since it is larger than the sum of its proper divisors (138704033384385).

213122331102303 is a wasteful number, since it uses less digits than its factorization.

213122331102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51667903 (or 51667900 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 213122331102303 its reverse (303201133221312), we get a palindrome (516323464323615).

The spelling of 213122331102303 in words is "two hundred thirteen trillion, one hundred twenty-two billion, three hundred thirty-one million, one hundred two thousand, three hundred three".