2120232031 has 4 divisors (see below), whose sum is σ = 2140816912. Its totient is φ = 2099647152.

The previous prime is 2120232017. The next prime is 2120232067. The reversal of 2120232031 is 1302320212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120232031 - 2⁵ = 2120231999 is a prime.

It is a super-2 number, since 2×2120232031² = 8990767730556769922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120231996 and 2120232014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120232431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10292286 + ... + 10292491.

It is an arithmetic number, because the mean of its divisors is an integer number (535204228).

Almost surely, 2^2120232031 is an apocalyptic number.

2120232031 is a deficient number, since it is larger than the sum of its proper divisors (20584881).

2120232031 is a wasteful number, since it uses less digits than its factorization.

2120232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20584880.

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

The square root of 2120232031 is about 46045.9773595914. The cubic root of 2120232031 is about 1284.6785230418.

Adding to 2120232031 its reverse (1302320212), we get a palindrome (3422552243).

The spelling of 2120232031 in words is "two billion, one hundred twenty million, two hundred thirty-two thousand, thirty-one".