13020131 has 2 divisors, whose sum is σ = 13020132. Its totient is φ = 13020130.

The previous prime is 13020121. The next prime is 13020151. The reversal of 13020131 is 13102031.

It is a weak prime.

It is an emirp because it is prime and its reverse (13102031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13020131 - 2¹⁴ = 13003747 is a prime.

It is a super-2 number, since 2×13020131² = 339047622514322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13020121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510065 + 6510066.

It is an arithmetic number, because the mean of its divisors is an integer number (6510066).

Almost surely, 2^13020131 is an apocalyptic number.

13020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020131 is an equidigital number, since it uses as much as digits as its factorization.

13020131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13020131 is about 3608.3418629614. The cubic root of 13020131 is about 235.2547772500.

Adding to 13020131 its reverse (13102031), we get a palindrome (26122162).

The spelling of 13020131 in words is "thirteen million, twenty thousand, one hundred thirty-one".