31950125 has 16 divisors (see below), whose sum is σ = 40081392. Its totient is φ = 25427200.

The previous prime is 31950097. The next prime is 31950133. The reversal of 31950125 is 52105913.

It can be written as a sum of positive squares in 8 ways, for example, as 18852964 + 13097161 = 4342^2 + 3619^2 .

It is not a de Polignac number, because 31950125 - 2¹² = 31946029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31950094 and 31950103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28577 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (2505087).

Almost surely, 2^31950125 is an apocalyptic number.

It is an amenable number.

31950125 is a deficient number, since it is larger than the sum of its proper divisors (8131267).

31950125 is a wasteful number, since it uses less digits than its factorization.

31950125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 31950125 is about 5652.4441615995. Note that the first 3 decimals coincide. The cubic root of 31950125 is about 317.3151837369.

The spelling of 31950125 in words is "thirty-one million, nine hundred fifty thousand, one hundred twenty-five".