13802031 has 12 divisors (see below), whose sum is σ = 20161440. Its totient is φ = 9097440.

The previous prime is 13802003. The next prime is 13802051. The reversal of 13802031 is 13020831.

It is not a de Polignac number, because 13802031 - 2⁶ = 13801967 is a prime.

It is a super-2 number, since 2×13802031² = 380992119449922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13801995 and 13802013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13802051) 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 11 ways as a sum of consecutive naturals, for example, 7815 + ... + 9416.

It is an arithmetic number, because the mean of its divisors is an integer number (1680120).

Almost surely, 2^13802031 is an apocalyptic number.

13802031 is a deficient number, since it is larger than the sum of its proper divisors (6359409).

13802031 is a wasteful number, since it uses less digits than its factorization.

13802031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17326 (or 17323 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13802031 is about 3715.1084775549. The cubic root of 13802031 is about 239.8727971763.

Adding to 13802031 its reverse (13020831), we get a palindrome (26822862).

The spelling of 13802031 in words is "thirteen million, eight hundred two thousand, thirty-one".