31059125 has 8 divisors (see below), whose sum is σ = 38761944. Its totient is φ = 24847200.

The previous prime is 31059121. The next prime is 31059139. The reversal of 31059125 is 52195013.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 29149201 = 1382^2 + 5399^2 .

It is not a de Polignac number, because 31059125 - 2² = 31059121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31059094 and 31059103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31059121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124112 + ... + 124361.

It is an arithmetic number, because the mean of its divisors is an integer number (4845243).

Almost surely, 2^31059125 is an apocalyptic number.

It is an amenable number.

31059125 is a deficient number, since it is larger than the sum of its proper divisors (7702819).

31059125 is an equidigital number, since it uses as much as digits as its factorization.

31059125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248488 (or 248478 counting only the distinct ones).

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

The square root of 31059125 is about 5573.0714152970. The cubic root of 31059125 is about 314.3376525241.

The spelling of 31059125 in words is "thirty-one million, fifty-nine thousand, one hundred twenty-five".