100231011330 has 128 divisors (see below), whose sum is σ = 257170636800. Its totient is φ = 24945580800.

The previous prime is 100231011329. The next prime is 100231011337. The reversal of 100231011330 is 33110132001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (100231011337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33198561 + ... + 33201579.

It is an arithmetic number, because the mean of its divisors is an integer number (2009145600).

Almost surely, 2^100231011330 is an apocalyptic number.

100231011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100231011330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128585318400).

100231011330 is an abundant number, since it is smaller than the sum of its proper divisors (156939625470).

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

100231011330 is a wasteful number, since it uses less digits than its factorization.

100231011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 100231011330 its reverse (33110132001), we get a palindrome (133341143331).

The spelling of 100231011330 in words is "one hundred billion, two hundred thirty-one million, eleven thousand, three hundred thirty".