31480125 has 32 divisors (see below), whose sum is σ = 52875264. Its totient is φ = 16632000.

The previous prime is 31480117. The next prime is 31480129. The reversal of 31480125 is 52108413.

It is not a de Polignac number, because 31480125 - 2³ = 31480117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31480095 and 31480104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31480129) 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, 47295 + ... + 47955.

It is an arithmetic number, because the mean of its divisors is an integer number (1652352).

Almost surely, 2^31480125 is an apocalyptic number.

It is an amenable number.

31480125 is a deficient number, since it is larger than the sum of its proper divisors (21395139).

31480125 is a wasteful number, since it uses less digits than its factorization.

31480125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 31480125 is about 5610.7151950531. The cubic root of 31480125 is about 315.7515438728.

Adding to 31480125 its reverse (52108413), we get a palindrome (83588538).

The spelling of 31480125 in words is "thirty-one million, four hundred eighty thousand, one hundred twenty-five".