2031210322311 has 4 divisors (see below), whose sum is σ = 2708280429752. Its totient is φ = 1354140214872.

The previous prime is 2031210322301. The next prime is 2031210322327. The reversal of 2031210322311 is 1132230121302.

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

It is not a de Polignac number, because 2031210322311 - 2¹¹ = 2031210320263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031210322301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338535053716 + ... + 338535053721.

It is an arithmetic number, because the mean of its divisors is an integer number (677070107438).

Almost surely, 2^{2031210322311} is an apocalyptic number.

2031210322311 is a deficient number, since it is larger than the sum of its proper divisors (677070107441).

2031210322311 is an equidigital number, since it uses as much as digits as its factorization.

2031210322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677070107440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2031210322311 its reverse (1132230121302), we get a palindrome (3163440443613).

The spelling of 2031210322311 in words is "two trillion, thirty-one billion, two hundred ten million, three hundred twenty-two thousand, three hundred eleven".