33120040231 has 2 divisors, whose sum is σ = 33120040232. Its totient is φ = 33120040230.

The previous prime is 33120040211. The next prime is 33120040241. The reversal of 33120040231 is 13204002133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33120040231 - 2¹⁵ = 33120007463 is a prime.

It is a super-2 number, since 2×33120040231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33120040199 and 33120040208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33120040211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16560020115 + 16560020116.

It is an arithmetic number, because the mean of its divisors is an integer number (16560020116).

Almost surely, 2^33120040231 is an apocalyptic number.

33120040231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33120040231 is an equidigital number, since it uses as much as digits as its factorization.

33120040231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33120040231 its reverse (13204002133), we get a palindrome (46324042364).

The spelling of 33120040231 in words is "thirty-three billion, one hundred twenty million, forty thousand, two hundred thirty-one".