10871031384 has 80 divisors (see below), whose sum is σ = 30504632400. Its totient is φ = 3617051328.

The previous prime is 10871031373. The next prime is 10871031389. The reversal of 10871031384 is 48313017801.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10871031389) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 345877 + ... + 375995.

It is an arithmetic number, because the mean of its divisors is an integer number (381307905).

Almost surely, 2^10871031384 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 10871031384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15252316200).

10871031384 is an abundant number, since it is smaller than the sum of its proper divisors (19633601016).

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

10871031384 is a wasteful number, since it uses less digits than its factorization.

10871031384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30694 (or 30681 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 10871031384 in words is "ten billion, eight hundred seventy-one million, thirty-one thousand, three hundred eighty-four".