31324134 has 8 divisors (see below), whose sum is σ = 62648280. Its totient is φ = 10441376.

The previous prime is 31324133. The next prime is 31324187. The reversal of 31324134 is 43142313.

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

31324134 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31324134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610339 + ... + 2610350.

It is an arithmetic number, because the mean of its divisors is an integer number (7831035).

Almost surely, 2^31324134 is an apocalyptic number.

31324134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31324134 is a wasteful number, since it uses less digits than its factorization.

31324134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220694.

The product of its digits is 864, while the sum is 21.

The square root of 31324134 is about 5596.7967624347. The cubic root of 31324134 is about 315.2291404063.

Adding to 31324134 its reverse (43142313), we get a palindrome (74466447).

The spelling of 31324134 in words is "thirty-one million, three hundred twenty-four thousand, one hundred thirty-four".