2102320110231 has 24 divisors (see below), whose sum is σ = 3362190833664. Its totient is φ = 1255116479760.

The previous prime is 2102320110211. The next prime is 2102320110259. The reversal of 2102320110231 is 1320110232012.

2102320110231 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 320 + 110 + 231 = 666.

It is not a de Polignac number, because 2102320110231 - 2⁷ = 2102320110103 is a prime.

It is a super-2 number, since 2×2102320110231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102320110211) 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, 158467671 + ... + 158480936.

It is an arithmetic number, because the mean of its divisors is an integer number (140091284736).

Almost surely, 2^{2102320110231} is an apocalyptic number.

2102320110231 is a deficient number, since it is larger than the sum of its proper divisors (1259870723433).

2102320110231 is a wasteful number, since it uses less digits than its factorization.

2102320110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316948691 (or 316948688 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2102320110231 its reverse (1320110232012), we get a palindrome (3422430342243).

The spelling of 2102320110231 in words is "two trillion, one hundred two billion, three hundred twenty million, one hundred ten thousand, two hundred thirty-one".