3931303068 has 216 divisors, whose sum is σ = 12889210880. Its totient is φ = 987940800.

The previous prime is 3931303063. The next prime is 3931303069. The reversal of 3931303068 is 8603031393.

3931303068 is a `hidden beast` number, since 39 + 313 + 0 + 306 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3931303063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 943173 + ... + 947331.

Almost surely, 2^3931303068 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 3931303068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6444605440).

3931303068 is an abundant number, since it is smaller than the sum of its proper divisors (8957907812).

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

3931303068 is a wasteful number, since it uses less digits than its factorization.

3931303068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3931303068 is about 62700.1042104397. The cubic root of 3931303068 is about 1578.2610612528.

The spelling of 3931303068 in words is "three billion, nine hundred thirty-one million, three hundred three thousand, sixty-eight".