33020231033231 has 16 divisors (see below), whose sum is σ = 35595877739520. Its totient is φ = 30449679464160.

The previous prime is 33020231033203. The next prime is 33020231033243. The reversal of 33020231033231 is 13233013202033.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33020231033231 is a prime.

It is a super-2 number, since 2×33020231033231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33020231033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020231033261) 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 15 ways as a sum of consecutive naturals, for example, 158470886 + ... + 158679116.

It is an arithmetic number, because the mean of its divisors is an integer number (2224742358720).

Almost surely, 2^{33020231033231} is an apocalyptic number.

33020231033231 is a deficient number, since it is larger than the sum of its proper divisors (2575646706289).

33020231033231 is a wasteful number, since it uses less digits than its factorization.

33020231033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220406.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 33020231033231 its reverse (13233013202033), we get a palindrome (46253244235264).

The spelling of 33020231033231 in words is "thirty-three trillion, twenty billion, two hundred thirty-one million, thirty-three thousand, two hundred thirty-one".