13413431 has 4 divisors (see below), whose sum is σ = 13536600. Its totient is φ = 13290264.

The previous prime is 13413419. The next prime is 13413443. The reversal of 13413431 is 13431431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13413419) and next prime (13413443).

It is a cyclic number.

It is not a de Polignac number, because 13413431 - 2¹⁰ = 13412407 is a prime.

It is a super-2 number, since 2×13413431² = 359840262383522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413461) 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 in 3 ways as a sum of consecutive naturals, for example, 61421 + ... + 61638.

It is an arithmetic number, because the mean of its divisors is an integer number (3384150).

Almost surely, 2^13413431 is an apocalyptic number.

13413431 is a deficient number, since it is larger than the sum of its proper divisors (123169).

13413431 is a wasteful number, since it uses less digits than its factorization.

13413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123168.

The product of its digits is 432, while the sum is 20.

The square root of 13413431 is about 3662.4351188792. The cubic root of 13413431 is about 237.6001040615.

Adding to 13413431 its reverse (13431431), we get a palindrome (26844862).

The spelling of 13413431 in words is "thirteen million, four hundred thirteen thousand, four hundred thirty-one".