31494848 has 126 divisors (see below), whose sum is σ = 80874108. Its totient is φ = 12122880.

The previous prime is 31494817. The next prime is 31494887. The reversal of 31494848 is 84849413.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 379415 + ... + 379497.

It is an arithmetic number, because the mean of its divisors is an integer number (641858).

Almost surely, 2^31494848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31494848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40437054).

31494848 is an abundant number, since it is smaller than the sum of its proper divisors (49379260).

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

31494848 is a wasteful number, since it uses less digits than its factorization.

31494848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 103 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 31494848 is about 5612.0270847529. The cubic root of 31494848 is about 315.8007610157.

It can be divided in two parts, 3149 and 4848, that added together give a palindrome (7997).

The spelling of 31494848 in words is "thirty-one million, four hundred ninety-four thousand, eight hundred forty-eight".