2040313313 has 4 divisors (see below), whose sum is σ = 2042640660. Its totient is φ = 2037985968.

The previous prime is 2040313277. The next prime is 2040313351. The reversal of 2040313313 is 3133130402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3133130402 = 2 ⋅1566565201.

It can be written as a sum of positive squares in 2 ways, for example, as 630160609 + 1410152704 = 25103^2 + 37552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040313313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040313213) 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, 1162358 + ... + 1164111.

It is an arithmetic number, because the mean of its divisors is an integer number (510660165).

Almost surely, 2^2040313313 is an apocalyptic number.

It is an amenable number.

2040313313 is a deficient number, since it is larger than the sum of its proper divisors (2327347).

2040313313 is an equidigital number, since it uses as much as digits as its factorization.

2040313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327346.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2040313313 is about 45169.8274625883. The cubic root of 2040313313 is about 1268.3300665043.

Adding to 2040313313 its reverse (3133130402), we get a palindrome (5173443715).

The spelling of 2040313313 in words is "two billion, forty million, three hundred thirteen thousand, three hundred thirteen".