3181522848 has 192 divisors, whose sum is σ = 9867110400. Its totient is φ = 878625792.

The previous prime is 3181522843. The next prime is 3181522859. The reversal of 3181522848 is 8482251813.

3181522848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3181522848² = 20244175264692062208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3181522843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4947615 + ... + 4948257.

It is an arithmetic number, because the mean of its divisors is an integer number (51391200).

Almost surely, 2^3181522848 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 3181522848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4933555200).

3181522848 is an abundant number, since it is smaller than the sum of its proper divisors (6685587552).

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

3181522848 is a wasteful number, since it uses less digits than its factorization.

3181522848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 891 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 3181522848 is about 56404.9895665268. The cubic root of 3181522848 is about 1470.7708558220.

The spelling of 3181522848 in words is "three billion, one hundred eighty-one million, five hundred twenty-two thousand, eight hundred forty-eight".