2120023131 has 8 divisors (see below), whose sum is σ = 2992973904. Its totient is φ = 1330210560.

The previous prime is 2120023123. The next prime is 2120023141. The reversal of 2120023131 is 1313200212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120023131 - 2³ = 2120023123 is a prime.

It is a super-2 number, since 2×2120023131² = 8988996151950086322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120023131.

It is not an unprimeable number, because it can be changed into a prime (2120023111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20784490 + ... + 20784591.

It is an arithmetic number, because the mean of its divisors is an integer number (374121738).

Almost surely, 2^2120023131 is an apocalyptic number.

2120023131 is a deficient number, since it is larger than the sum of its proper divisors (872950773).

2120023131 is a wasteful number, since it uses less digits than its factorization.

2120023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41569101.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120023131 is about 46043.7089188089. The cubic root of 2120023131 is about 1284.6363298362.

Adding to 2120023131 its reverse (1313200212), we get a palindrome (3433223343).

The spelling of 2120023131 in words is "two billion, one hundred twenty million, twenty-three thousand, one hundred thirty-one".