13431033 has 24 divisors (see below), whose sum is σ = 24188736. Its totient is φ = 6976800.

The previous prime is 13431017. The next prime is 13431053. The reversal of 13431033 is 33013431.

It is not a de Polignac number, because 13431033 - 2⁴ = 13431017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13430997 and 13431015.

It is not an unprimeable number, because it can be changed into a prime (13431053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8998 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (1007864).

Almost surely, 2^13431033 is an apocalyptic number.

It is an amenable number.

13431033 is a deficient number, since it is larger than the sum of its proper divisors (10757703).

13431033 is a wasteful number, since it uses less digits than its factorization.

13431033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19405 (or 19402 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13431033 is about 3664.8373770196. The cubic root of 13431033 is about 237.7039902077.

Adding to 13431033 its reverse (33013431), we get a palindrome (46444464).

The spelling of 13431033 in words is "thirteen million, four hundred thirty-one thousand, thirty-three".