33112112320213 has 4 divisors (see below), whose sum is σ = 33295052167468. Its totient is φ = 32929172472960.

The previous prime is 33112112320141. The next prime is 33112112320321. The reversal of 33112112320213 is 31202321121133.

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 2970497061169 + 30141615259044 = 1723513^2 + 5490138^2 .

It is a cyclic number.

It is not a de Polignac number, because 33112112320213 - 2¹⁷ = 33112112189141 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 (33112112326213) 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, 91469923356 + ... + 91469923717.

It is an arithmetic number, because the mean of its divisors is an integer number (8323763041867).

Almost surely, 2^{33112112320213} is an apocalyptic number.

It is an amenable number.

33112112320213 is a deficient number, since it is larger than the sum of its proper divisors (182939847255).

33112112320213 is a wasteful number, since it uses less digits than its factorization.

33112112320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182939847254.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 33112112320213 its reverse (31202321121133), we get a palindrome (64314433441346).

The spelling of 33112112320213 in words is "thirty-three trillion, one hundred twelve billion, one hundred twelve million, three hundred twenty thousand, two hundred thirteen".