10203443013 has 32 divisors (see below), whose sum is σ = 14131814400. Its totient is φ = 6541617600.

The previous prime is 10203442981. The next prime is 10203443059. The reversal of 10203443013 is 31034430201.

10203443013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10203443013 - 2⁵ = 10203442981 is a prime.

It is a super-2 number, since 2×10203443013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203443083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20045803 + ... + 20046311.

It is an arithmetic number, because the mean of its divisors is an integer number (441619200).

Almost surely, 2^10203443013 is an apocalyptic number.

It is an amenable number.

10203443013 is a deficient number, since it is larger than the sum of its proper divisors (3928371387).

10203443013 is a wasteful number, since it uses less digits than its factorization.

10203443013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10203443013 its reverse (31034430201), we get a palindrome (41237873214).

The spelling of 10203443013 in words is "ten billion, two hundred three million, four hundred forty-three thousand, thirteen".