2031143111120 has 80 divisors (see below), whose sum is σ = 5006493516288. Its totient is φ = 764998940160.

The previous prime is 2031143111117. The next prime is 2031143111161. The reversal of 2031143111120 is 211113411302.

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

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 = 2031143111092 and 2031143111101.

It is a congruent number.

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, 10975934 + ... + 11159453.

Almost surely, 2^{2031143111120} is an apocalyptic number.

2031143111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031143111120 is an abundant number, since it is smaller than the sum of its proper divisors (2975350405168).

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

2031143111120 is a wasteful number, since it uses less digits than its factorization.

2031143111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135468 (or 22135462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2031143111120 its reverse (211113411302), we get a palindrome (2242256522422).

The spelling of 2031143111120 in words is "two trillion, thirty-one billion, one hundred forty-three million, one hundred eleven thousand, one hundred twenty".