203313031031013 has 16 divisors (see below), whose sum is σ = 271988139480960. Its totient is φ = 135090125545536.

The previous prime is 203313031030969. The next prime is 203313031031017. The reversal of 203313031031013 is 310130130313302.

203313031031013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203313031031013 - 2⁸ = 203313031030757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313031031017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13951273 + ... + 24520686.

It is an arithmetic number, because the mean of its divisors is an integer number (16999258717560).

Almost surely, 2^{203313031031013} is an apocalyptic number.

It is an amenable number.

203313031031013 is a deficient number, since it is larger than the sum of its proper divisors (68675108449947).

203313031031013 is a wasteful number, since it uses less digits than its factorization.

203313031031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38477836.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 203313031031013 its reverse (310130130313302), we get a palindrome (513443161344315).

The spelling of 203313031031013 in words is "two hundred three trillion, three hundred thirteen billion, thirty-one million, thirty-one thousand, thirteen".