2031122303321 has 4 divisors (see below), whose sum is σ = 2138023477200. Its totient is φ = 1924221129444.

The previous prime is 2031122303297. The next prime is 2031122303323. The reversal of 2031122303321 is 1233032211302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031122303321 is a prime.

It is a super-2 number, since 2×2031122303321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2031122303323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53450586911 + ... + 53450586948.

It is an arithmetic number, because the mean of its divisors is an integer number (534505869300).

Almost surely, 2^{2031122303321} is an apocalyptic number.

It is an amenable number.

2031122303321 is a deficient number, since it is larger than the sum of its proper divisors (106901173879).

2031122303321 is a wasteful number, since it uses less digits than its factorization.

2031122303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106901173878.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2031122303321 its reverse (1233032211302), we get a palindrome (3264154514623).

The spelling of 2031122303321 in words is "two trillion, thirty-one billion, one hundred twenty-two million, three hundred three thousand, three hundred twenty-one".