30231010128 has 80 divisors (see below), whose sum is σ = 85350269376. Its totient is φ = 9144376320.

The previous prime is 30231010127. The next prime is 30231010193. The reversal of 30231010128 is 82101013203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242700 + ... + 345492.

Almost surely, 2^30231010128 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 30231010128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42675134688).

30231010128 is an abundant number, since it is smaller than the sum of its proper divisors (55119259248).

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

30231010128 is a wasteful number, since it uses less digits than its factorization.

30231010128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103372 (or 103366 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 30231010128 in words is "thirty billion, two hundred thirty-one million, ten thousand, one hundred twenty-eight".