203134323013 has 8 divisors (see below), whose sum is σ = 206045199360. Its totient is φ = 200224830960.

The previous prime is 203134322999. The next prime is 203134323023. The reversal of 203134323013 is 310323431302.

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 203134323013 - 2³³ = 194544388421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203134323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48670 + ... + 639247.

It is an arithmetic number, because the mean of its divisors is an integer number (25755649920).

Almost surely, 2^203134323013 is an apocalyptic number.

It is an amenable number.

203134323013 is a deficient number, since it is larger than the sum of its proper divisors (2910876347).

203134323013 is an equidigital number, since it uses as much as digits as its factorization.

203134323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692147.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203134323013 its reverse (310323431302), we get a palindrome (513457754315).

The spelling of 203134323013 in words is "two hundred three billion, one hundred thirty-four million, three hundred twenty-three thousand, thirteen".