33130939903 has 2 divisors, whose sum is σ = 33130939904. Its totient is φ = 33130939902.

The previous prime is 33130939873. The next prime is 33130939921. The reversal of 33130939903 is 30993903133.

It is a strong prime.

It is an emirp because it is prime and its reverse (30993903133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33130939903 - 2⁵ = 33130939871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33130939903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33130939603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565469951 + 16565469952.

It is an arithmetic number, because the mean of its divisors is an integer number (16565469952).

Almost surely, 2^33130939903 is an apocalyptic number.

33130939903 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130939903 is an equidigital number, since it uses as much as digits as its factorization.

33130939903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 177147, while the sum is 43.

The spelling of 33130939903 in words is "thirty-three billion, one hundred thirty million, nine hundred thirty-nine thousand, nine hundred three".