20131304233100 has 36 divisors (see below), whose sum is σ = 43685245152864. Its totient is φ = 8052463634880.

The previous prime is 20131304233087. The next prime is 20131304233109. The reversal of 20131304233100 is 133240313102.

20131304233100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20131304233100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20131304233109) 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 11 ways as a sum of consecutive naturals, for example, 14883629 + ... + 16179771.

It is an arithmetic number, because the mean of its divisors is an integer number (1213479032024).

Almost surely, 2^{20131304233100} is an apocalyptic number.

20131304233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131304233100 is an abundant number, since it is smaller than the sum of its proper divisors (23553940919764).

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

20131304233100 is a wasteful number, since it uses less digits than its factorization.

20131304233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451474 (or 1451467 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20131304233100 its reverse (133240313102), we get a palindrome (20264544546202).

The spelling of 20131304233100 in words is "twenty trillion, one hundred thirty-one billion, three hundred four million, two hundred thirty-three thousand, one hundred".