31034225 has 6 divisors (see below), whose sum is σ = 38482470. Its totient is φ = 24827360.

The previous prime is 31034221. The next prime is 31034233. The reversal of 31034225 is 52243013.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 30217009 = 904^2 + 5497^2 .

It is not a de Polignac number, because 31034225 - 2² = 31034221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31034197 and 31034206.

It is not an unprimeable number, because it can be changed into a prime (31034221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620660 + ... + 620709.

It is an arithmetic number, because the mean of its divisors is an integer number (6413745).

Almost surely, 2^31034225 is an apocalyptic number.

It is an amenable number.

31034225 is a deficient number, since it is larger than the sum of its proper divisors (7448245).

31034225 is a wasteful number, since it uses less digits than its factorization.

31034225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241379 (or 1241374 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 31034225 is about 5570.8370107193. The cubic root of 31034225 is about 314.2536289067.

Adding to 31034225 its reverse (52243013), we get a palindrome (83277238).

The spelling of 31034225 in words is "thirty-one million, thirty-four thousand, two hundred twenty-five".