31268848 has 80 divisors (see below), whose sum is σ = 71245440. Its totient is φ = 13160448.

The previous prime is 31268821. The next prime is 31268921. The reversal of 31268848 is 84886213.

It is a self number, because there is not a number n which added to its sum of digits gives 31268848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130713 + ... + 130951.

It is an arithmetic number, because the mean of its divisors is an integer number (890568).

It is a vampire number, since it can be written as 3848 ⋅ 8126 (with its own digits).

Almost surely, 2^31268848 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 31268848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35622720).

31268848 is an abundant number, since it is smaller than the sum of its proper divisors (39976592).

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

31268848 is a wasteful number, since it uses less digits than its factorization.

31268848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 31268848 is about 5591.8555060016. The cubic root of 31268848 is about 315.0435750586.

The spelling of 31268848 in words is "thirty-one million, two hundred sixty-eight thousand, eight hundred forty-eight".