2120313112231 has 24 divisors (see below), whose sum is σ = 2174049972432. Its totient is φ = 2067694944000.

The previous prime is 2120313112219. The next prime is 2120313112249. The reversal of 2120313112231 is 1322113130212.

It is not a de Polignac number, because 2120313112231 - 2⁷ = 2120313112103 is a prime.

It is a super-2 number, since 2×2120313112231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120313112331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877248735 + ... + 877251151.

It is an arithmetic number, because the mean of its divisors is an integer number (90585415518).

Almost surely, 2^{2120313112231} is an apocalyptic number.

2120313112231 is a deficient number, since it is larger than the sum of its proper divisors (53736860201).

2120313112231 is a wasteful number, since it uses less digits than its factorization.

2120313112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383 (or 4312 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2120313112231 its reverse (1322113130212), we get a palindrome (3442426242443).

The spelling of 2120313112231 in words is "two trillion, one hundred twenty billion, three hundred thirteen million, one hundred twelve thousand, two hundred thirty-one".