31368025 has 12 divisors (see below), whose sum is σ = 41888812. Its totient is φ = 23163840.

The previous prime is 31368019. The next prime is 31368037. The reversal of 31368025 is 52086313.

It can be written as a sum of positive squares in 6 ways, for example, as 3108169 + 28259856 = 1763^2 + 5316^2 .

It is not a de Polignac number, because 31368025 - 2⁹ = 31367513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31367984 and 31368002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47934 + ... + 48583.

Almost surely, 2^31368025 is an apocalyptic number.

It is an amenable number.

31368025 is a deficient number, since it is larger than the sum of its proper divisors (10520787).

31368025 is a wasteful number, since it uses less digits than its factorization.

31368025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96540 (or 96535 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 31368025 is about 5600.7164720239. The cubic root of 31368025 is about 315.3763034540.

The spelling of 31368025 in words is "thirty-one million, three hundred sixty-eight thousand, twenty-five".