203144034313 has 8 divisors (see below), whose sum is σ = 221985393696. Its totient is φ = 184364961600.

The previous prime is 203144034193. The next prime is 203144034323. The reversal of 203144034313 is 313430441302.

203144034313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203144034313 - 2⁹ = 203144033801 is a prime.

It is a super-2 number, since 2×203144034313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203144034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15564843 + ... + 15577888.

It is an arithmetic number, because the mean of its divisors is an integer number (27748174212).

Almost surely, 2^203144034313 is an apocalyptic number.

It is an amenable number.

203144034313 is a deficient number, since it is larger than the sum of its proper divisors (18841359383).

203144034313 is a wasteful number, since it uses less digits than its factorization.

203144034313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143335.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203144034313 its reverse (313430441302), we get a palindrome (516574475615).

The spelling of 203144034313 in words is "two hundred three billion, one hundred forty-four million, thirty-four thousand, three hundred thirteen".