20131230013100 has 72 divisors (see below), whose sum is σ = 44003636972400. Its totient is φ = 7993726617600.

The previous prime is 20131230013099. The next prime is 20131230013127. The reversal of 20131230013100 is 131003213102.

It is a super-2 number, since 2×20131230013100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142946720 + ... + 143087480.

Almost surely, 2^{20131230013100} is an apocalyptic number.

20131230013100 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 20131230013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22001818486200).

20131230013100 is an abundant number, since it is smaller than the sum of its proper divisors (23872406959300).

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

20131230013100 is a wasteful number, since it uses less digits than its factorization.

20131230013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151203 (or 151196 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20131230013100 its reverse (131003213102), we get a palindrome (20262233226202).

The spelling of 20131230013100 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty million, thirteen thousand, one hundred".