13003131 has 8 divisors (see below), whose sum is σ = 17388864. Its totient is φ = 8643080.

The previous prime is 13003129. The next prime is 13003171. The reversal of 13003131 is 13130031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13003131 - 2¹ = 13003129 is a prime.

It is a super-2 number, since 2×13003131² = 338162831606322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13003171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5205 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (2173608).

Almost surely, 2^13003131 is an apocalyptic number.

13003131 is a deficient number, since it is larger than the sum of its proper divisors (4385733).

13003131 is a wasteful number, since it uses less digits than its factorization.

13003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12841.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 13003131 is about 3605.9854409024. The cubic root of 13003131 is about 235.1523442540.

Adding to 13003131 its reverse (13130031), we get a palindrome (26133162).

The spelling of 13003131 in words is "thirteen million, three thousand, one hundred thirty-one".