231033110100 has 144 divisors (see below), whose sum is σ = 720154448832. Its totient is φ = 56847651840.

The previous prime is 231033110071. The next prime is 231033110111. The reversal of 231033110100 is 1011330132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231033110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11545704 + ... + 11565696.

Almost surely, 2^231033110100 is an apocalyptic number.

231033110100 is a gapful number since it is divisible by the number (20) 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 231033110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360077224416).

231033110100 is an abundant number, since it is smaller than the sum of its proper divisors (489121338732).

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

231033110100 is a wasteful number, since it uses less digits than its factorization.

231033110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986 (or 22979 counting only the distinct ones).

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

Adding to 231033110100 its reverse (1011330132), we get a palindrome (232044440232).

The spelling of 231033110100 in words is "two hundred thirty-one billion, thirty-three million, one hundred ten thousand, one hundred".