31063125 has 20 divisors (see below), whose sum is σ = 51758432. Its totient is φ = 16566000.

The previous prime is 31063121. The next prime is 31063127. The reversal of 31063125 is 52136013.

It is not a de Polignac number, because 31063125 - 2² = 31063121 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 (31063121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6409 + ... + 10158.

Almost surely, 2^31063125 is an apocalyptic number.

It is an amenable number.

31063125 is a deficient number, since it is larger than the sum of its proper divisors (20695307).

31063125 is an equidigital number, since it uses as much as digits as its factorization.

31063125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590 (or 16575 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 31063125 is about 5573.4302722830. The cubic root of 31063125 is about 314.3511461071.

Adding to 31063125 its reverse (52136013), we get a palindrome (83199138).

The spelling of 31063125 in words is "thirty-one million, sixty-three thousand, one hundred twenty-five".