31116234 has 8 divisors (see below), whose sum is σ = 62232480. Its totient is φ = 10372076.

The previous prime is 31116227. The next prime is 31116251. The reversal of 31116234 is 43261113.

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

31116234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 31116234.

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, 2593014 + ... + 2593025.

It is an arithmetic number, because the mean of its divisors is an integer number (7779060).

Almost surely, 2^31116234 is an apocalyptic number.

31116234 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.

31116234 is a wasteful number, since it uses less digits than its factorization.

31116234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186044.

The product of its digits is 432, while the sum is 21.

The square root of 31116234 is about 5578.1927180763. The cubic root of 31116234 is about 314.5301940894.

Adding to 31116234 its reverse (43261113), we get a palindrome (74377347).

The spelling of 31116234 in words is "thirty-one million, one hundred sixteen thousand, two hundred thirty-four".