19231101100 has 72 divisors (see below), whose sum is σ = 43258092416. Its totient is φ = 7413120000.

The previous prime is 19231101083. The next prime is 19231101103. The reversal of 19231101100 is 110113291.

It is not an unprimeable number, because it can be changed into a prime (19231101103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734230 + ... + 759970.

Almost surely, 2^19231101100 is an apocalyptic number.

19231101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19231101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21629046208).

19231101100 is an abundant number, since it is smaller than the sum of its proper divisors (24026991316).

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

19231101100 is a wasteful number, since it uses less digits than its factorization.

19231101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027 (or 26020 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 19231101100 its reverse (110113291), we get a palindrome (19341214391).

The spelling of 19231101100 in words is "nineteen billion, two hundred thirty-one million, one hundred one thousand, one hundred".