31245134 has 8 divisors (see below), whose sum is σ = 46893000. Its totient is φ = 15614136.

The previous prime is 31245121. The next prime is 31245163. The reversal of 31245134 is 43154213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (5861625).

Almost surely, 2^31245134 is an apocalyptic number.

31245134 is a deficient number, since it is larger than the sum of its proper divisors (15647866).

31245134 is a wasteful number, since it uses less digits than its factorization.

31245134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434.

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

The square root of 31245134 is about 5589.7346985344. The cubic root of 31245134 is about 314.9639128895.

Adding to 31245134 its reverse (43154213), we get a palindrome (74399347).

The spelling of 31245134 in words is "thirty-one million, two hundred forty-five thousand, one hundred thirty-four".