203231022013 has 8 divisors (see below), whose sum is σ = 203726321568. Its totient is φ = 202736230704.

The previous prime is 203231021971. The next prime is 203231022023. The reversal of 203231022013 is 310220132302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203231022013 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 (203231022023) 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, 679870 + ... + 932032.

It is an arithmetic number, because the mean of its divisors is an integer number (25465790196).

Almost surely, 2^203231022013 is an apocalyptic number.

It is an amenable number.

203231022013 is a deficient number, since it is larger than the sum of its proper divisors (495299555).

203231022013 is a wasteful number, since it uses less digits than its factorization.

203231022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254123.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203231022013 its reverse (310220132302), we get a palindrome (513451154315).

The spelling of 203231022013 in words is "two hundred three billion, two hundred thirty-one million, twenty-two thousand, thirteen".