31725063 has 12 divisors (see below), whose sum is σ = 46577128. Its totient is φ = 20802960.

The previous prime is 31725061. The next prime is 31725091. The reversal of 31725063 is 36052713.

It is a happy number.

It is not a de Polignac number, because 31725063 - 2¹ = 31725061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31725061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28345 + ... + 29442.

Almost surely, 2^31725063 is an apocalyptic number.

31725063 is a deficient number, since it is larger than the sum of its proper divisors (14852065).

31725063 is a wasteful number, since it uses less digits than its factorization.

31725063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57854 (or 57851 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 31725063 is about 5632.5005992010. The cubic root of 31725063 is about 316.5683537220.

Adding to 31725063 its reverse (36052713), we get a palindrome (67777776).

The spelling of 31725063 in words is "thirty-one million, seven hundred twenty-five thousand, sixty-three".