31230134 has 16 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 14381760.

The previous prime is 31230079. The next prime is 31230163. The reversal of 31230134 is 43103213.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13739 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^31230134 is an apocalyptic number.

31230134 is a deficient number, since it is larger than the sum of its proper divisors (19331146).

31230134 is a wasteful number, since it uses less digits than its factorization.

31230134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 31230134 is about 5588.3927922078. The cubic root of 31230134 is about 314.9135027475.

Adding to 31230134 its reverse (43103213), we get a palindrome (74333347).

The spelling of 31230134 in words is "thirty-one million, two hundred thirty thousand, one hundred thirty-four".