2031232120 has 32 divisors (see below), whose sum is σ = 4768981920. Its totient is φ = 777166720.

The previous prime is 2031232111. The next prime is 2031232153. The reversal of 2031232120 is 212321302.

It is a super-3 number, since 3×2031232120³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031232094 and 2031232103.

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 7 ways as a sum of consecutive naturals, for example, 1103011 + ... + 1104850.

It is an arithmetic number, because the mean of its divisors is an integer number (149030685).

Almost surely, 2^2031232120 is an apocalyptic number.

2031232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031232120 is an abundant number, since it is smaller than the sum of its proper divisors (2737749800).

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

2031232120 is a wasteful number, since it uses less digits than its factorization.

2031232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207895 (or 2207891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031232120 is about 45069.1925820732. The cubic root of 2031232120 is about 1266.4455388074.

Adding to 2031232120 its reverse (212321302), we get a palindrome (2243553422).

The spelling of 2031232120 in words is "two billion, thirty-one million, two hundred thirty-two thousand, one hundred twenty".