2311420311331 has 4 divisors (see below), whose sum is σ = 2315468333464. Its totient is φ = 2307372289200.

The previous prime is 2311420311329. The next prime is 2311420311353. The reversal of 2311420311331 is 1331130241132.

2311420311331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2311420311331 - 2¹ = 2311420311329 is a prime.

It is a super-2 number, since 2×2311420311331² (a number of 26 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 = 2311420311296 and 2311420311305.

It is not an unprimeable number, because it can be changed into a prime (2311420311631) 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, 2024010210 + ... + 2024011351.

It is an arithmetic number, because the mean of its divisors is an integer number (578867083366).

Almost surely, 2^{2311420311331} is an apocalyptic number.

2311420311331 is a deficient number, since it is larger than the sum of its proper divisors (4048022133).

2311420311331 is an equidigital number, since it uses as much as digits as its factorization.

2311420311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048022132.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2311420311331 its reverse (1331130241132), we get a palindrome (3642550552463).

The spelling of 2311420311331 in words is "two trillion, three hundred eleven billion, four hundred twenty million, three hundred eleven thousand, three hundred thirty-one".