31434125 has 8 divisors (see below), whose sum is σ = 39229944. Its totient is φ = 25147200.

The previous prime is 31434107. The next prime is 31434149. The reversal of 31434125 is 52143413.

It can be written as a sum of positive squares in 4 ways, for example, as 6889 + 31427236 = 83^2 + 5606^2 .

It is not a de Polignac number, because 31434125 - 2²⁴ = 14656909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31434125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125612 + ... + 125861.

It is an arithmetic number, because the mean of its divisors is an integer number (4903743).

Almost surely, 2^31434125 is an apocalyptic number.

It is an amenable number.

31434125 is a deficient number, since it is larger than the sum of its proper divisors (7795819).

31434125 is an equidigital number, since it uses as much as digits as its factorization.

31434125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251488 (or 251478 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 31434125 is about 5606.6143972990. The cubic root of 31434125 is about 315.5976726986.

Adding to 31434125 its reverse (52143413), we get a palindrome (83577538).

The spelling of 31434125 in words is "thirty-one million, four hundred thirty-four thousand, one hundred twenty-five".