13422131 has 2 divisors, whose sum is σ = 13422132. Its totient is φ = 13422130.

The previous prime is 13422121. The next prime is 13422137. The reversal of 13422131 is 13122431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13422131 - 2⁶ = 13422067 is a prime.

It is a super-2 number, since 2×13422131² = 360307201162322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (13422137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711065 + 6711066.

It is an arithmetic number, because the mean of its divisors is an integer number (6711066).

Almost surely, 2^13422131 is an apocalyptic number.

13422131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422131 is an equidigital number, since it uses as much as digits as its factorization.

13422131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 13422131 is about 3663.6226607007. The cubic root of 13422131 is about 237.6514623892.

Adding to 13422131 its reverse (13122431), we get a palindrome (26544562).

The spelling of 13422131 in words is "thirteen million, four hundred twenty-two thousand, one hundred thirty-one".