13244031 has 12 divisors (see below), whose sum is σ = 19239480. Its totient is φ = 8778960.

The previous prime is 13244027. The next prime is 13244051. The reversal of 13244031 is 13044231.

It is not a de Polignac number, because 13244031 - 2² = 13244027 is a prime.

It is a super-2 number, since 2×13244031² = 350808714257922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13243995 and 13244013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (1603290).

Almost surely, 2^13244031 is an apocalyptic number.

13244031 is a deficient number, since it is larger than the sum of its proper divisors (5995449).

13244031 is a wasteful number, since it uses less digits than its factorization.

13244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406 (or 8403 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13244031 is about 3639.2349470734. The cubic root of 13244031 is about 236.5956358504.

Adding to 13244031 its reverse (13044231), we get a palindrome (26288262).

The spelling of 13244031 in words is "thirteen million, two hundred forty-four thousand, thirty-one".