33313220111213 has 8 divisors (see below), whose sum is σ = 38103381779328. Its totient is φ = 28530840999024.

The previous prime is 33313220111203. The next prime is 33313220111243. The reversal of 33313220111213 is 31211102231333.

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

It is a de Polignac number, because none of the positive numbers 2^k-33313220111213 is a prime.

It is a super-2 number, since 2×33313220111213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33313220111203) 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, 1945629806 + ... + 1945646927.

It is an arithmetic number, because the mean of its divisors is an integer number (4762922722416).

Almost surely, 2^{33313220111213} is an apocalyptic number.

It is an amenable number.

33313220111213 is a deficient number, since it is larger than the sum of its proper divisors (4790161668115).

33313220111213 is a wasteful number, since it uses less digits than its factorization.

33313220111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891277963.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 33313220111213 its reverse (31211102231333), we get a palindrome (64524322342546).

The spelling of 33313220111213 in words is "thirty-three trillion, three hundred thirteen billion, two hundred twenty million, one hundred eleven thousand, two hundred thirteen".