2031321300 has 36 divisors (see below), whose sum is σ = 5877290496. Its totient is φ = 541685600.

The previous prime is 2031321139. The next prime is 2031321311. The reversal of 2031321300 is 31231302.

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 2031321300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3385236 + ... + 3385835.

Almost surely, 2^2031321300 is an apocalyptic number.

2031321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031321300 is an abundant number, since it is smaller than the sum of its proper divisors (3845969196).

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

2031321300 is a wasteful number, since it uses less digits than its factorization.

2031321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771088 (or 6771081 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2031321300 is about 45070.1819388385. The cubic root of 2031321300 is about 1266.4640727076.

Adding to 2031321300 its reverse (31231302), we get a palindrome (2062552602).

The spelling of 2031321300 in words is "two billion, thirty-one million, three hundred twenty-one thousand, three hundred".