2031021110323 has 12 divisors (see below), whose sum is σ = 2163154026240. Its totient is φ = 1906558186112.

The previous prime is 2031021110191. The next prime is 2031021110359. The reversal of 2031021110323 is 3230111201302.

It is not a de Polignac number, because 2031021110323 - 2³³ = 2022431175731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031021110323.

It is not an unprimeable number, because it can be changed into a prime (2031021110383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9063928 + ... + 9285301.

It is an arithmetic number, because the mean of its divisors is an integer number (180262835520).

Almost surely, 2^{2031021110323} is an apocalyptic number.

2031021110323 is a deficient number, since it is larger than the sum of its proper divisors (132132915917).

2031021110323 is a wasteful number, since it uses less digits than its factorization.

2031021110323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18349646 (or 18349629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2031021110323 its reverse (3230111201302), we get a palindrome (5261132311625).

The spelling of 2031021110323 in words is "two trillion, thirty-one billion, twenty-one million, one hundred ten thousand, three hundred twenty-three".