1013444103 has 24 divisors (see below), whose sum is σ = 1640490112. Its totient is φ = 545042304.

The previous prime is 1013444071. The next prime is 1013444123. The reversal of 1013444103 is 3014443101.

It is not a de Polignac number, because 1013444103 - 2⁵ = 1013444071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013444103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013444123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77425 + ... + 89562.

Almost surely, 2^1013444103 is an apocalyptic number.

1013444103 is a deficient number, since it is larger than the sum of its proper divisors (627046009).

1013444103 is a wasteful number, since it uses less digits than its factorization.

1013444103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167031 (or 167014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1013444103 is about 31834.6368441671. The cubic root of 1013444103 is about 1004.4614336755.

Adding to 1013444103 its reverse (3014443101), we get a palindrome (4027887204).

The spelling of 1013444103 in words is "one billion, thirteen million, four hundred forty-four thousand, one hundred three".