13045131 has 30 divisors (see below), whose sum is σ = 21435876. Its totient is φ = 7906140.

The previous prime is 13045091. The next prime is 13045139. The reversal of 13045131 is 13154031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

13045131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13045131 - 2¹³ = 13036939 is a prime.

It is a super-2 number, since 2×13045131² = 340350885614322, which contains 22 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (13045139) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1185916 + ... + 1185926.

Almost surely, 2^13045131 is an apocalyptic number.

13045131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13045131 is a deficient number, since it is larger than the sum of its proper divisors (8390745).

13045131 is an frugal number, since it uses more digits than its factorization.

13045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13045131 is about 3611.8043966970. The cubic root of 13045131 is about 235.4052521610.

Adding to 13045131 its reverse (13154031), we get a palindrome (26199162).

Subtracting 13045131 from its reverse (13154031), we obtain a square (108900 = 330²).

The spelling of 13045131 in words is "thirteen million, forty-five thousand, one hundred thirty-one".