2031134023100 has 144 divisors (see below), whose sum is σ = 5437228953408. Its totient is φ = 641334620160.

The previous prime is 2031134023007. The next prime is 2031134023103. The reversal of 2031134023100 is 13204311302.

It is a super-2 number, since 2×2031134023100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031134023103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3682562 + ... + 4198038.

Almost surely, 2^{2031134023100} is an apocalyptic number.

2031134023100 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 2031134023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718614476704).

2031134023100 is an abundant number, since it is smaller than the sum of its proper divisors (3406094930308).

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

2031134023100 is a wasteful number, since it uses less digits than its factorization.

2031134023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515944 (or 515937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2031134023100 its reverse (13204311302), we get a palindrome (2044338334402).

The spelling of 2031134023100 in words is "two trillion, thirty-one billion, one hundred thirty-four million, twenty-three thousand, one hundred".