1011323032230 has 96 divisors (see below), whose sum is σ = 2809475553024. Its totient is φ = 228233184192.

The previous prime is 1011323032219. The next prime is 1011323032231. The reversal of 1011323032230 is 322303231101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1011323032197 and 1011323032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011323032231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 924789 + ... + 1696431.

It is an arithmetic number, because the mean of its divisors is an integer number (29265370344).

Almost surely, 2^{1011323032230} is an apocalyptic number.

1011323032230 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 1011323032230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404737776512).

1011323032230 is an abundant number, since it is smaller than the sum of its proper divisors (1798152520794).

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

1011323032230 is an equidigital number, since it uses as much as digits as its factorization.

1011323032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771818 (or 771739 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1011323032230 its reverse (322303231101), we get a palindrome (1333626263331).

The spelling of 1011323032230 in words is "one trillion, eleven billion, three hundred twenty-three million, thirty-two thousand, two hundred thirty".