203180712313 has 8 divisors (see below), whose sum is σ = 209340027648. Its totient is φ = 197097910464.

The previous prime is 203180712233. The next prime is 203180712347. The reversal of 203180712313 is 313217081302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203180712313 - 2²¹ = 203178615161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203180712373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19122981 + ... + 19133602.

It is an arithmetic number, because the mean of its divisors is an integer number (26167503456).

Almost surely, 2^203180712313 is an apocalyptic number.

It is an amenable number.

203180712313 is a deficient number, since it is larger than the sum of its proper divisors (6159315335).

203180712313 is a wasteful number, since it uses less digits than its factorization.

203180712313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38256743.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 203180712313 its reverse (313217081302), we get a palindrome (516397793615).

The spelling of 203180712313 in words is "two hundred three billion, one hundred eighty million, seven hundred twelve thousand, three hundred thirteen".