203230331013 has 8 divisors (see below), whose sum is σ = 278297390368. Its totient is φ = 131825079504.

The previous prime is 203230331011. The next prime is 203230331033. The reversal of 203230331013 is 310133032302.

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

It is not a de Polignac number, because 203230331013 - 2¹ = 203230331011 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 (203230331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915451831 + ... + 915452052.

It is an arithmetic number, because the mean of its divisors is an integer number (34787173796).

Almost surely, 2^203230331013 is an apocalyptic number.

It is an amenable number.

203230331013 is a deficient number, since it is larger than the sum of its proper divisors (75067059355).

203230331013 is a wasteful number, since it uses less digits than its factorization.

203230331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830903923.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 203230331013 its reverse (310133032302), we get a palindrome (513363363315).

The spelling of 203230331013 in words is "two hundred three billion, two hundred thirty million, three hundred thirty-one thousand, thirteen".