203197941287353 has 2 divisors, whose sum is σ = 203197941287354. Its totient is φ = 203197941287352.

The previous prime is 203197941287339. The next prime is 203197941287377. The reversal of 203197941287353 is 353782149791302.

203197941287353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117512797870224 + 85685143417129 = 10840332^2 + 9256627^2 .

It is a cyclic number.

It is not a de Polignac number, because 203197941287353 - 2¹³ = 203197941279161 is a prime.

It is not a weakly prime, because it can be changed into another prime (203197941287953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101598970643676 + 101598970643677.

It is an arithmetic number, because the mean of its divisors is an integer number (101598970643677).

Almost surely, 2^{203197941287353} is an apocalyptic number.

It is an amenable number.

203197941287353 is a deficient number, since it is larger than the sum of its proper divisors (1).

203197941287353 is an equidigital number, since it uses as much as digits as its factorization.

203197941287353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 203197941287353 in words is "two hundred three trillion, one hundred ninety-seven billion, nine hundred forty-one million, two hundred eighty-seven thousand, three hundred fifty-three".