2031223231120 has 80 divisors (see below), whose sum is σ = 4752636311808. Its totient is φ = 807324346880.

The previous prime is 2031223231087. The next prime is 2031223231157. The reversal of 2031223231120 is 211323221302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2031223231091 and 2031223231100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37875525 + ... + 37929115.

Almost surely, 2^{2031223231120} is an apocalyptic number.

2031223231120 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 2031223231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376318155904).

2031223231120 is an abundant number, since it is smaller than the sum of its proper divisors (2721413080688).

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

2031223231120 is a wasteful number, since it uses less digits than its factorization.

2031223231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56608 (or 56602 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2031223231120 its reverse (211323221302), we get a palindrome (2242546452422).

The spelling of 2031223231120 in words is "two trillion, thirty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty".