2013103331 has 16 divisors (see below), whose sum is σ = 2173868928. Its totient is φ = 1857398400.

The previous prime is 2013103283. The next prime is 2013103343. The reversal of 2013103331 is 1333013102.

It is a cyclic number.

It is not a de Polignac number, because 2013103331 - 2¹⁴ = 2013086947 is a prime.

It is a super-2 number, since 2×2013103331² = 8105170042566591122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013103361) 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, 179396 + ... + 190286.

It is an arithmetic number, because the mean of its divisors is an integer number (135866808).

Almost surely, 2^2013103331 is an apocalyptic number.

2013103331 is a deficient number, since it is larger than the sum of its proper divisors (160765597).

2013103331 is a wasteful number, since it uses less digits than its factorization.

2013103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2013103331 is about 44867.6200728320. The cubic root of 2013103331 is about 1262.6665897349. Note that the first 3 decimals are identical.

Adding to 2013103331 its reverse (1333013102), we get a palindrome (3346116433).

The spelling of 2013103331 in words is "two billion, thirteen million, one hundred three thousand, three hundred thirty-one".