2031223314343 has 4 divisors (see below), whose sum is σ = 2031226176240. Its totient is φ = 2031220452448.

The previous prime is 2031223314269. The next prime is 2031223314347. The reversal of 2031223314343 is 3434133221302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031223314343 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 (2031223314347) 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, 523446 + ... + 2082412.

It is an arithmetic number, because the mean of its divisors is an integer number (507806544060).

Almost surely, 2^{2031223314343} is an apocalyptic number.

2031223314343 is a deficient number, since it is larger than the sum of its proper divisors (2861897).

2031223314343 is a wasteful number, since it uses less digits than its factorization.

2031223314343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861896.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 2031223314343 its reverse (3434133221302), we get a palindrome (5465356535645).

The spelling of 2031223314343 in words is "two trillion, thirty-one billion, two hundred twenty-three million, three hundred fourteen thousand, three hundred forty-three".