1513040313 has 4 divisors (see below), whose sum is σ = 2017387088. Its totient is φ = 1008693540.

The previous prime is 1513040293. The next prime is 1513040339. The reversal of 1513040313 is 3130403151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3130403151 = 3 ⋅1043467717.

It is not a de Polignac number, because 1513040313 - 2⁸ = 1513040057 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 1513040313.

It is not an unprimeable number, because it can be changed into a prime (1513040383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252173383 + ... + 252173388.

It is an arithmetic number, because the mean of its divisors is an integer number (504346772).

Almost surely, 2^1513040313 is an apocalyptic number.

It is an amenable number.

1513040313 is a deficient number, since it is larger than the sum of its proper divisors (504346775).

1513040313 is an equidigital number, since it uses as much as digits as its factorization.

1513040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504346774.

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

The square root of 1513040313 is about 38897.8188720139. The cubic root of 1513040313 is about 1148.0218830686.

Adding to 1513040313 its reverse (3130403151), we get a palindrome (4643443464).

The spelling of 1513040313 in words is "one billion, five hundred thirteen million, forty thousand, three hundred thirteen".