31042025 has 12 divisors (see below), whose sum is σ = 43991232. Its totient is φ = 21285840.

The previous prime is 31042021. The next prime is 31042027. The reversal of 31042025 is 52024013.

It is not a de Polignac number, because 31042025 - 2² = 31042021 is a prime.

It is a super-2 number, since 2×31042025² = 1927214632201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31041994 and 31042012.

It is not an unprimeable number, because it can be changed into a prime (31042021) 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, 88517 + ... + 88866.

It is an arithmetic number, because the mean of its divisors is an integer number (3665936).

Almost surely, 2^31042025 is an apocalyptic number.

31042025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31042025 is a deficient number, since it is larger than the sum of its proper divisors (12949207).

31042025 is a wasteful number, since it uses less digits than its factorization.

31042025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177400 (or 177395 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 31042025 is about 5571.5370410686. The cubic root of 31042025 is about 314.2799543907.

Adding to 31042025 its reverse (52024013), we get a palindrome (83066038).

The spelling of 31042025 in words is "thirty-one million, forty-two thousand, twenty-five".