2303031513 has 16 divisors (see below), whose sum is σ = 3122089920. Its totient is φ = 1509874176.

The previous prime is 2303031499. The next prime is 2303031517. The reversal of 2303031513 is 3151303032.

It is not a de Polignac number, because 2303031513 - 2⁵ = 2303031481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2303031513.

It is not an unprimeable number, because it can be changed into a prime (2303031517) 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, 17793 + ... + 70161.

It is an arithmetic number, because the mean of its divisors is an integer number (195130620).

Almost surely, 2^2303031513 is an apocalyptic number.

It is an amenable number.

2303031513 is a deficient number, since it is larger than the sum of its proper divisors (819058407).

2303031513 is a wasteful number, since it uses less digits than its factorization.

2303031513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52616.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 2303031513 is about 47989.9105333611. The cubic root of 2303031513 is about 1320.5858114910.

Adding to 2303031513 its reverse (3151303032), we get a palindrome (5454334545).

The spelling of 2303031513 in words is "two billion, three hundred three million, thirty-one thousand, five hundred thirteen".