2102310120331 has 4 divisors (see below), whose sum is σ = 2102337221152. Its totient is φ = 2102283019512.

The previous prime is 2102310120319. The next prime is 2102310120347. The reversal of 2102310120331 is 1330210132012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102310120331 - 2¹¹ = 2102310118283 is a prime.

It is a super-2 number, since 2×2102310120331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102310120299 and 2102310120308.

It is not an unprimeable number, because it can be changed into a prime (2102310120371) 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, 13433715 + ... + 13589308.

It is an arithmetic number, because the mean of its divisors is an integer number (525584305288).

Almost surely, 2^{2102310120331} is an apocalyptic number.

2102310120331 is a deficient number, since it is larger than the sum of its proper divisors (27100821).

2102310120331 is an equidigital number, since it uses as much as digits as its factorization.

2102310120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100820.

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

Adding to 2102310120331 its reverse (1330210132012), we get a palindrome (3432520252343).

The spelling of 2102310120331 in words is "two trillion, one hundred two billion, three hundred ten million, one hundred twenty thousand, three hundred thirty-one".