2100031233320 has 32 divisors (see below), whose sum is σ = 4727420068320. Its totient is φ = 839594752320.

The previous prime is 2100031233271. The next prime is 2100031233373. The reversal of 2100031233320 is 233321300012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2100031233292 and 2100031233301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12972962 + ... + 13133841.

It is an arithmetic number, because the mean of its divisors is an integer number (147731877135).

Almost surely, 2^{2100031233320} is an apocalyptic number.

2100031233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100031233320 is an abundant number, since it is smaller than the sum of its proper divisors (2627388835000).

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

2100031233320 is a wasteful number, since it uses less digits than its factorization.

2100031233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108825 (or 26108821 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2100031233320 its reverse (233321300012), we get a palindrome (2333352533332).

The spelling of 2100031233320 in words is "two trillion, one hundred billion, thirty-one million, two hundred thirty-three thousand, three hundred twenty".