1013001103 has 4 divisors (see below), whose sum is σ = 1013977120. Its totient is φ = 1012025088.

The previous prime is 1013001097. The next prime is 1013001127. The reversal of 1013001103 is 3011003101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011003101 = 479 ⋅6286019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013001103 is a prime.

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 1013001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013001173) 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, 486450 + ... + 488527.

It is an arithmetic number, because the mean of its divisors is an integer number (253494280).

Almost surely, 2^1013001103 is an apocalyptic number.

1013001103 is a deficient number, since it is larger than the sum of its proper divisors (976017).

1013001103 is an equidigital number, since it uses as much as digits as its factorization.

1013001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976016.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1013001103 is about 31827.6782533693. The cubic root of 1013001103 is about 1004.3150545228.

Adding to 1013001103 its reverse (3011003101), we get a palindrome (4024004204).

The spelling of 1013001103 in words is "one billion, thirteen million, one thousand, one hundred three".