31327125 has 32 divisors (see below), whose sum is σ = 52590720. Its totient is φ = 16560000.

The previous prime is 31327097. The next prime is 31327129. The reversal of 31327125 is 52172313.

It is a de Polignac number, because none of the positive numbers 2^k-31327125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31327095 and 31327104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31327129) 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 31 ways as a sum of consecutive naturals, for example, 51825 + ... + 52425.

It is an arithmetic number, because the mean of its divisors is an integer number (1643460).

Almost surely, 2^31327125 is an apocalyptic number.

It is an amenable number.

31327125 is a deficient number, since it is larger than the sum of its proper divisors (21263595).

31327125 is a wasteful number, since it uses less digits than its factorization.

31327125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 748 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 31327125 is about 5597.0639624718. The cubic root of 31327125 is about 315.2391733556.

Adding to 31327125 its reverse (52172313), we get a palindrome (83499438).

The spelling of 31327125 in words is "thirty-one million, three hundred twenty-seven thousand, one hundred twenty-five".