203133133109 has 2 divisors, whose sum is σ = 203133133110. Its totient is φ = 203133133108.

The previous prime is 203133133079. The next prime is 203133133163. The reversal of 203133133109 is 901331331302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202869168100 + 263965009 = 450410^2 + 16247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203133133109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203133133409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101566566554 + 101566566555.

It is an arithmetic number, because the mean of its divisors is an integer number (101566566555).

Almost surely, 2^203133133109 is an apocalyptic number.

It is an amenable number.

203133133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

203133133109 is an equidigital number, since it uses as much as digits as its factorization.

203133133109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 29.

The spelling of 203133133109 in words is "two hundred three billion, one hundred thirty-three million, one hundred thirty-three thousand, one hundred nine".