2013131003 has 4 divisors (see below), whose sum is σ = 2167987248. Its totient is φ = 1858274760.

The previous prime is 2013130963. The next prime is 2013131033. The reversal of 2013131003 is 3001313102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013131003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013131033) 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, 77428103 + ... + 77428128.

It is an arithmetic number, because the mean of its divisors is an integer number (541996812).

Almost surely, 2^2013131003 is an apocalyptic number.

2013131003 is a deficient number, since it is larger than the sum of its proper divisors (154856245).

2013131003 is a wasteful number, since it uses less digits than its factorization.

2013131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154856244.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2013131003 is about 44867.9284456058. The cubic root of 2013131003 is about 1262.6723752220.

Adding to 2013131003 its reverse (3001313102), we get a palindrome (5014444105).

The spelling of 2013131003 in words is "two billion, thirteen million, one hundred thirty-one thousand, three".