203112554430313 has 8 divisors (see below), whose sum is σ = 224884456466400. Its totient is φ = 181891839787680.

The previous prime is 203112554430211. The next prime is 203112554430347. The reversal of 203112554430313 is 313034455211302.

It is a happy number.

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

It is not a de Polignac number, because 203112554430313 - 2⁹ = 203112554429801 is a prime.

It is a super-2 number, since 2×203112554430313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203112554430353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137796847588 + ... + 137796849061.

It is an arithmetic number, because the mean of its divisors is an integer number (28110557058300).

Almost surely, 2^{203112554430313} is an apocalyptic number.

It is an amenable number.

203112554430313 is a deficient number, since it is larger than the sum of its proper divisors (21771902036087).

203112554430313 is a wasteful number, since it uses less digits than its factorization.

203112554430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275593696727.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 203112554430313 in words is "two hundred three trillion, one hundred twelve billion, five hundred fifty-four million, four hundred thirty thousand, three hundred thirteen".