2042530313 has 4 divisors (see below), whose sum is σ = 2042624640. Its totient is φ = 2042435988.

The previous prime is 2042530307. The next prime is 2042530319. The reversal of 2042530313 is 3130352402.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2042530307) and next prime (2042530319).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042530313 is a prime.

It is a super-4 number, since 4×2042530313⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042530319) 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, 3356 + ... + 64002.

It is an arithmetic number, because the mean of its divisors is an integer number (510656160).

Almost surely, 2^2042530313 is an apocalyptic number.

It is an amenable number.

2042530313 is a deficient number, since it is larger than the sum of its proper divisors (94327).

2042530313 is an equidigital number, since it uses as much as digits as its factorization.

2042530313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94326.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2042530313 is about 45194.3615177823. The cubic root of 2042530313 is about 1268.7892884434.

Adding to 2042530313 its reverse (3130352402), we get a palindrome (5172882715).

The spelling of 2042530313 in words is "two billion, forty-two million, five hundred thirty thousand, three hundred thirteen".