13103331 has 16 divisors (see below), whose sum is σ = 19027200. Its totient is φ = 7989408.

The previous prime is 13103329. The next prime is 13103333. The reversal of 13103331 is 13330131.

It is an interprime number because it is at equal distance from previous prime (13103329) and next prime (13103333).

It is not a de Polignac number, because 13103331 - 2¹ = 13103329 is a prime.

It is a super-2 number, since 2×13103331² = 343394566591122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13103331.

It is not an unprimeable number, because it can be changed into a prime (13103333) 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, 2311 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (1189200).

Almost surely, 2^13103331 is an apocalyptic number.

13103331 is a deficient number, since it is larger than the sum of its proper divisors (5923869).

13103331 is a wasteful number, since it uses less digits than its factorization.

13103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7978.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 13103331 is about 3619.8523450550. The cubic root of 13103331 is about 235.7548145449.

Adding to 13103331 its reverse (13330131), we get a palindrome (26433462).

The spelling of 13103331 in words is "thirteen million, one hundred three thousand, three hundred thirty-one".