8031281104 has 180 divisors, whose sum is σ = 20545601664. Its totient is φ = 3027024000.

The previous prime is 8031281101. The next prime is 8031281129. The reversal of 8031281104 is 4011821308.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8031281101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2939419 + ... + 2942149.

Almost surely, 2^8031281104 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 8031281104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10272800832).

8031281104 is an abundant number, since it is smaller than the sum of its proper divisors (12514320560).

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

8031281104 is a wasteful number, since it uses less digits than its factorization.

8031281104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 8031281104 is about 89617.4151825414. The cubic root of 8031281104 is about 2002.6033684327.

The spelling of 8031281104 in words is "eight billion, thirty-one million, two hundred eighty-one thousand, one hundred four".