203240312120033 has 16 divisors (see below), whose sum is σ = 216528506161920. Its totient is φ = 190100353303296.

The previous prime is 203240312120029. The next prime is 203240312120051. The reversal of 203240312120033 is 330021213042302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203240312120033 - 2² = 203240312120029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203240312119984 and 203240312120011.

It is not an unprimeable number, because it can be changed into a prime (203240312120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45433523 + ... + 49705991.

It is an arithmetic number, because the mean of its divisors is an integer number (13533031635120).

Almost surely, 2^{203240312120033} is an apocalyptic number.

It is an amenable number.

203240312120033 is a deficient number, since it is larger than the sum of its proper divisors (13288194041887).

203240312120033 is a wasteful number, since it uses less digits than its factorization.

203240312120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289816.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203240312120033 its reverse (330021213042302), we get a palindrome (533261525162335).

The spelling of 203240312120033 in words is "two hundred three trillion, two hundred forty billion, three hundred twelve million, one hundred twenty thousand, thirty-three".