203131013012 has 12 divisors (see below), whose sum is σ = 374188708320. Its totient is φ = 96219953496.

The previous prime is 203131013011. The next prime is 203131013143. The reversal of 203131013012 is 210310131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203131013011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336388168 + ... + 1336388319.

It is an arithmetic number, because the mean of its divisors is an integer number (31182392360).

Almost surely, 2^203131013012 is an apocalyptic number.

It is an amenable number.

203131013012 is a deficient number, since it is larger than the sum of its proper divisors (171057695308).

203131013012 is a wasteful number, since it uses less digits than its factorization.

203131013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672776510 (or 2672776508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203131013012 its reverse (210310131302), we get a palindrome (413441144314).

The spelling of 203131013012 in words is "two hundred three billion, one hundred thirty-one million, thirteen thousand, twelve".