31341330343 has 4 divisors (see below), whose sum is σ = 31341688960. Its totient is φ = 31340971728.

The previous prime is 31341330299. The next prime is 31341330347. The reversal of 31341330343 is 34303314313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 34303314313 = 59 ⋅581412107.

It is a cyclic number.

It is not a de Polignac number, because 31341330343 - 2¹⁷ = 31341199271 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 (31341330347) 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, 46963 + ... + 254731.

It is an arithmetic number, because the mean of its divisors is an integer number (7835422240).

Almost surely, 2^31341330343 is an apocalyptic number.

31341330343 is a deficient number, since it is larger than the sum of its proper divisors (358617).

31341330343 is a wasteful number, since it uses less digits than its factorization.

31341330343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358616.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 31341330343 its reverse (34303314313), we get a palindrome (65644644656).

The spelling of 31341330343 in words is "thirty-one billion, three hundred forty-one million, three hundred thirty thousand, three hundred forty-three".