2031130000 has 100 divisors (see below), whose sum is σ = 5131957248. Its totient is φ = 777040000.

The previous prime is 2031129973. The next prime is 2031130009. The reversal of 2031130000 is 311302.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2031130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 225585 + ... + 234415.

Almost surely, 2^2031130000 is an apocalyptic number.

2031130000 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 2031130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565978624).

2031130000 is an abundant number, since it is smaller than the sum of its proper divisors (3100827248).

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

2031130000 is an equidigital number, since it uses as much as digits as its factorization.

2031130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2031130000 is about 45068.0596431664. The cubic root of 2031130000 is about 1266.4243149757.

Adding to 2031130000 its reverse (311302), we get a palindrome (2031441302).

The spelling of 2031130000 in words is "two billion, thirty-one million, one hundred thirty thousand".