2013345331 has 6 divisors (see below), whose sum is σ = 2023542332. Its totient is φ = 2003154720.

The previous prime is 2013345307. The next prime is 2013345349. The reversal of 2013345331 is 1335433102.

It is not a de Polignac number, because 2013345331 - 2¹⁵ = 2013312563 is a prime.

It is a super-2 number, since 2×2013345331² = 8107118843718999122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013345296 and 2013345305.

It is not an unprimeable number, because it can be changed into a prime (2013340331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650235 + ... + 653323.

Almost surely, 2^2013345331 is an apocalyptic number.

2013345331 is a deficient number, since it is larger than the sum of its proper divisors (10197001).

2013345331 is an frugal number, since it uses more digits than its factorization.

2013345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2013345331 is about 44870.3168141256. The cubic root of 2013345331 is about 1262.7171837716.

Adding to 2013345331 its reverse (1335433102), we get a palindrome (3348778433).

The spelling of 2013345331 in words is "two billion, thirteen million, three hundred forty-five thousand, three hundred thirty-one".