13061131 has 2 divisors, whose sum is σ = 13061132. Its totient is φ = 13061130.

The previous prime is 13061123. The next prime is 13061173. The reversal of 13061131 is 13116031.

It is a weak prime.

It is an emirp because it is prime and its reverse (13116031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13061131 - 2³ = 13061123 is a prime.

It is a super-2 number, since 2×13061131² = 341186285998322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13061431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530565 + 6530566.

It is an arithmetic number, because the mean of its divisors is an integer number (6530566).

Almost surely, 2^13061131 is an apocalyptic number.

13061131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13061131 is an equidigital number, since it uses as much as digits as its factorization.

13061131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 13061131 is about 3614.0186773175. The cubic root of 13061131 is about 235.5014552375.

Adding to 13061131 its reverse (13116031), we get a palindrome (26177162).

The spelling of 13061131 in words is "thirteen million, sixty-one thousand, one hundred thirty-one".