2122023131 has 4 divisors (see below), whose sum is σ = 2124553200. Its totient is φ = 2119493064.

The previous prime is 2122023109. The next prime is 2122023139. The reversal of 2122023131 is 1313202212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122023131 is a prime.

It is a super-2 number, since 2×2122023131² = 9005964336998086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122023139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263776 + ... + 1265453.

It is an arithmetic number, because the mean of its divisors is an integer number (531138300).

Almost surely, 2^2122023131 is an apocalyptic number.

2122023131 is a deficient number, since it is larger than the sum of its proper divisors (2530069).

2122023131 is an equidigital number, since it uses as much as digits as its factorization.

2122023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530068.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2122023131 is about 46065.4222926481. The cubic root of 2122023131 is about 1285.0401721507.

Adding to 2122023131 its reverse (1313202212), we get a palindrome (3435225343).

The spelling of 2122023131 in words is "two billion, one hundred twenty-two million, twenty-three thousand, one hundred thirty-one".