33112032113231 has 2 divisors, whose sum is σ = 33112032113232. Its totient is φ = 33112032113230.

The previous prime is 33112032113207. The next prime is 33112032113257. The reversal of 33112032113231 is 13231123021133.

It is an a-pointer prime, because the next prime (33112032113257) can be obtained adding 33112032113231 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33112032113231 is a prime.

It is a super-2 number, since 2×33112032113231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33112032113231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33112032113131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556016056615 + 16556016056616.

It is an arithmetic number, because the mean of its divisors is an integer number (16556016056616).

Almost surely, 2^{33112032113231} is an apocalyptic number.

33112032113231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33112032113231 is an equidigital number, since it uses as much as digits as its factorization.

33112032113231 is an evil number, because the sum of its binary digits is even.

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

Adding to 33112032113231 its reverse (13231123021133), we get a palindrome (46343155134364).

The spelling of 33112032113231 in words is "thirty-three trillion, one hundred twelve billion, thirty-two million, one hundred thirteen thousand, two hundred thirty-one".