28302331002 has 48 divisors (see below), whose sum is σ = 62345850336. Its totient is φ = 8558888800.

The previous prime is 28302330977. The next prime is 28302331019. The reversal of 28302331002 is 20013320382.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316768 + ... + 396164.

It is an arithmetic number, because the mean of its divisors is an integer number (1298871882).

Almost surely, 2^28302331002 is an apocalyptic number.

28302331002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28302331002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31172925168).

28302331002 is an abundant number, since it is smaller than the sum of its proper divisors (34043519334).

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

28302331002 is a wasteful number, since it uses less digits than its factorization.

28302331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79915 (or 79904 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 28302331002 its reverse (20013320382), we get a palindrome (48315651384).

The spelling of 28302331002 in words is "twenty-eight billion, three hundred two million, three hundred thirty-one thousand, two".