3133333123213 has 4 divisors (see below), whose sum is σ = 3133421688348. Its totient is φ = 3133244558080.

The previous prime is 3133333123211. The next prime is 3133333123237. The reversal of 3133333123213 is 3123213333313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2483281160649 + 650051962564 = 1575843^2 + 806258^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133333123213 - 2¹ = 3133333123211 is a prime.

It is a super-2 number, since 2×3133333123213² (a number of 26 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 (3133333123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44229478 + ... + 44300263.

It is an arithmetic number, because the mean of its divisors is an integer number (783355422087).

Almost surely, 2^{3133333123213} is an apocalyptic number.

It is an amenable number.

3133333123213 is a deficient number, since it is larger than the sum of its proper divisors (88565135).

3133333123213 is an equidigital number, since it uses as much as digits as its factorization.

3133333123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88565134.

The product of its digits is 26244, while the sum is 31.

Adding to 3133333123213 its reverse (3123213333313), we get a palindrome (6256546456526).

The spelling of 3133333123213 in words is "three trillion, one hundred thirty-three billion, three hundred thirty-three million, one hundred twenty-three thousand, two hundred thirteen".