31310282848 has 96 divisors (see below), whose sum is σ = 70364083104. Its totient is φ = 13586276352.

The previous prime is 31310282827. The next prime is 31310282867. The reversal of 31310282848 is 84828201313.

It is a happy number.

It is a super-2 number, since 2×31310282848² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31310282848.

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 15 ways as a sum of consecutive naturals, for example, 9029211 + ... + 9032677.

It is an arithmetic number, because the mean of its divisors is an integer number (732959199).

Almost surely, 2^31310282848 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 31310282848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35182041552).

31310282848 is an abundant number, since it is smaller than the sum of its proper divisors (39053800256).

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

31310282848 is a wasteful number, since it uses less digits than its factorization.

31310282848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784 (or 4776 counting only the distinct ones).

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

The spelling of 31310282848 in words is "thirty-one billion, three hundred ten million, two hundred eighty-two thousand, eight hundred forty-eight".