203051216713 has 4 divisors (see below), whose sum is σ = 203509572048. Its totient is φ = 202592861380.

The previous prime is 203051216663. The next prime is 203051216737. The reversal of 203051216713 is 317612150302.

It is a happy number.

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-203051216713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203051216513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229177003 + ... + 229177888.

It is an arithmetic number, because the mean of its divisors is an integer number (50877393012).

Almost surely, 2^203051216713 is an apocalyptic number.

It is an amenable number.

203051216713 is a deficient number, since it is larger than the sum of its proper divisors (458355335).

203051216713 is an equidigital number, since it uses as much as digits as its factorization.

203051216713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458355334.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 203051216713 in words is "two hundred three billion, fifty-one million, two hundred sixteen thousand, seven hundred thirteen".