31044025 has 6 divisors (see below), whose sum is σ = 38494622. Its totient is φ = 24835200.

The previous prime is 31044019. The next prime is 31044029. The reversal of 31044025 is 52044013.

It can be written as a sum of positive squares in 3 ways, for example, as 7502121 + 23541904 = 2739^2 + 4852^2 .

It is not a de Polignac number, because 31044025 - 2⁵ = 31043993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31043993 and 31044011.

It is not an unprimeable number, because it can be changed into a prime (31044029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620856 + ... + 620905.

Almost surely, 2^31044025 is an apocalyptic number.

It is an amenable number.

31044025 is a deficient number, since it is larger than the sum of its proper divisors (7450597).

31044025 is a wasteful number, since it uses less digits than its factorization.

31044025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241771 (or 1241766 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 31044025 is about 5571.7165218629. The cubic root of 31044025 is about 314.2867038044.

Adding to 31044025 its reverse (52044013), we get a palindrome (83088038).

The spelling of 31044025 in words is "thirty-one million, forty-four thousand, twenty-five".