203106134353 has 2 divisors, whose sum is σ = 203106134354. Its totient is φ = 203106134352.

The previous prime is 203106134291. The next prime is 203106134377. The reversal of 203106134353 is 353431601302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133804518849 + 69301615504 = 365793^2 + 263252^2 .

It is a cyclic number.

It is not a de Polignac number, because 203106134353 - 2¹³ = 203106126161 is a prime.

It is not a weakly prime, because it can be changed into another prime (203106134453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101553067176 + 101553067177.

It is an arithmetic number, because the mean of its divisors is an integer number (101553067177).

Almost surely, 2^203106134353 is an apocalyptic number.

It is an amenable number.

203106134353 is a deficient number, since it is larger than the sum of its proper divisors (1).

203106134353 is an equidigital number, since it uses as much as digits as its factorization.

203106134353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 203106134353 its reverse (353431601302), we get a palindrome (556537735655).

The spelling of 203106134353 in words is "two hundred three billion, one hundred six million, one hundred thirty-four thousand, three hundred fifty-three".