203331020321053 has 2 divisors, whose sum is σ = 203331020321054. Its totient is φ = 203331020321052.

The previous prime is 203331020320979. The next prime is 203331020321089. The reversal of 203331020321053 is 350123020133302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199810042034724 + 3520978286329 = 14135418^2 + 1876427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203331020321053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203331020327053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101665510160526 + 101665510160527.

It is an arithmetic number, because the mean of its divisors is an integer number (101665510160527).

Almost surely, 2^{203331020321053} is an apocalyptic number.

It is an amenable number.

203331020321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

203331020321053 is an equidigital number, since it uses as much as digits as its factorization.

203331020321053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 203331020321053 its reverse (350123020133302), we get a palindrome (553454040454355).

The spelling of 203331020321053 in words is "two hundred three trillion, three hundred thirty-one billion, twenty million, three hundred twenty-one thousand, fifty-three".