217203098113 has 4 divisors (see below), whose sum is σ = 217207531440. Its totient is φ = 217198664788.

The previous prime is 217203098107. The next prime is 217203098153. The reversal of 217203098113 is 311890302712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-217203098113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217203098153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142343 + ... + 2241436.

It is an arithmetic number, because the mean of its divisors is an integer number (54301882860).

Almost surely, 2^217203098113 is an apocalyptic number.

It is an amenable number.

217203098113 is a deficient number, since it is larger than the sum of its proper divisors (4433327).

217203098113 is an equidigital number, since it uses as much as digits as its factorization.

217203098113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433326.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 217203098113 in words is "two hundred seventeen billion, two hundred three million, ninety-eight thousand, one hundred thirteen".