31044424 has 8 divisors (see below), whose sum is σ = 58208310. Its totient is φ = 15522208.

The previous prime is 31044401. The next prime is 31044437. The reversal of 31044424 is 42444013.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 10956100 = 4482^2 + 3310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31044424² = 1927512522983552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31044395 and 31044404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1940269 + ... + 1940284.

Almost surely, 2^31044424 is an apocalyptic number.

It is an amenable number.

31044424 is a deficient number, since it is larger than the sum of its proper divisors (27163886).

31044424 is a wasteful number, since it uses less digits than its factorization.

31044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880559 (or 3880555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 31044424 is about 5571.7523275896. The cubic root of 31044424 is about 314.2880502778.

Adding to 31044424 its reverse (42444013), we get a palindrome (73488437).

The spelling of 31044424 in words is "thirty-one million, forty-four thousand, four hundred twenty-four".