1513403103 has 16 divisors (see below), whose sum is σ = 2074096640. Its totient is φ = 981033984.

The previous prime is 1513403093. The next prime is 1513403117. The reversal of 1513403103 is 3013043151.

It is not a de Polignac number, because 1513403103 - 2⁵ = 1513403071 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 1513403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513403123) 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, 2463 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (129631040).

Almost surely, 2^1513403103 is an apocalyptic number.

1513403103 is a deficient number, since it is larger than the sum of its proper divisors (560693537).

1513403103 is a wasteful number, since it uses less digits than its factorization.

1513403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52878.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1513403103 is about 38902.4819645225. The cubic root of 1513403103 is about 1148.1136315769.

Adding to 1513403103 its reverse (3013043151), we get a palindrome (4526446254).

The spelling of 1513403103 in words is "one billion, five hundred thirteen million, four hundred three thousand, one hundred three".