13102431 has 4 divisors (see below), whose sum is σ = 17469912. Its totient is φ = 8734952.

The previous prime is 13102417. The next prime is 13102459. The reversal of 13102431 is 13420131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13420131 = 3 ⋅4473377.

It is a cyclic number.

It is not a de Polignac number, because 13102431 - 2⁷ = 13102303 is a prime.

It is a super-2 number, since 2×13102431² = 343347396219522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13102431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183736 + ... + 2183741.

It is an arithmetic number, because the mean of its divisors is an integer number (4367478).

Almost surely, 2^13102431 is an apocalyptic number.

13102431 is a deficient number, since it is larger than the sum of its proper divisors (4367481).

13102431 is an equidigital number, since it uses as much as digits as its factorization.

13102431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367480.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13102431 is about 3619.7280284574. The cubic root of 13102431 is about 235.7494168286.

Adding to 13102431 its reverse (13420131), we get a palindrome (26522562).

It can be divided in two parts, 1310 and 2431, that added together give a triangular number (3741 = T₈₆).

The spelling of 13102431 in words is "thirteen million, one hundred two thousand, four hundred thirty-one".