203311131069353 has 2 divisors, whose sum is σ = 203311131069354. Its totient is φ = 203311131069352.

The previous prime is 203311131069317. The next prime is 203311131069367. The reversal of 203311131069353 is 353960131113302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116269918819609 + 87041212249744 = 10782853^2 + 9329588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203311131069353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203311131069353.

It is not a weakly prime, because it can be changed into another prime (203311131069313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101655565534676 + 101655565534677.

It is an arithmetic number, because the mean of its divisors is an integer number (101655565534677).

Almost surely, 2^{203311131069353} is an apocalyptic number.

It is an amenable number.

203311131069353 is a deficient number, since it is larger than the sum of its proper divisors (1).

203311131069353 is an equidigital number, since it uses as much as digits as its factorization.

203311131069353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 41.

The spelling of 203311131069353 in words is "two hundred three trillion, three hundred eleven billion, one hundred thirty-one million, sixty-nine thousand, three hundred fifty-three".