31133341203343 has 4 divisors (see below), whose sum is σ = 31160111059368. Its totient is φ = 31106571347320.

The previous prime is 31133341203323. The next prime is 31133341203403. The reversal of 31133341203343 is 34330214333113.

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 31133341203343 - 2⁵ = 31133341203311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31133341203299 and 31133341203308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133341203323) 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, 13384926268 + ... + 13384928593.

It is an arithmetic number, because the mean of its divisors is an integer number (7790027764842).

Almost surely, 2^{31133341203343} is an apocalyptic number.

31133341203343 is a deficient number, since it is larger than the sum of its proper divisors (26769856025).

31133341203343 is a wasteful number, since it uses less digits than its factorization.

31133341203343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26769856024.

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 31133341203343 its reverse (34330214333113), we get a palindrome (65463555536456).

The spelling of 31133341203343 in words is "thirty-one trillion, one hundred thirty-three billion, three hundred forty-one million, two hundred three thousand, three hundred forty-three".