3181796352 has 528 divisors, whose sum is σ = 11390359552. Its totient is φ = 836075520.

The previous prime is 3181796351. The next prime is 3181796363. The reversal of 3181796352 is 2536971813.

3181796352 is a `hidden beast` number, since 3 + 1 + 8 + 1 + 7 + 9 + 635 + 2 = 666.

Its product of digits (272160) is a multiple of the sum of its prime factors (144).

It is a junction number, because it is equal to n+sod(n) for n = 3181796298 and 3181796307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181796351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73995243 + ... + 73995285.

Almost surely, 2^3181796352 is an apocalyptic number.

3181796352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3181796352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5695179776).

3181796352 is an abundant number, since it is smaller than the sum of its proper divisors (8208563200).

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

3181796352 is a wasteful number, since it uses less digits than its factorization.

3181796352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 123 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3181796352 is about 56407.4139807880. The cubic root of 3181796352 is about 1470.8130002295.

The spelling of 3181796352 in words is "three billion, one hundred eighty-one million, seven hundred ninety-six thousand, three hundred fifty-two".