31342333213 has 4 divisors (see below), whose sum is σ = 31405144000. Its totient is φ = 31279522428.

The previous prime is 31342333163. The next prime is 31342333261. The reversal of 31342333213 is 31233324313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31342333213 - 2²⁹ = 30805462301 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 (31342333513) 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, 31404645 + ... + 31405642.

It is an arithmetic number, because the mean of its divisors is an integer number (7851286000).

Almost surely, 2^31342333213 is an apocalyptic number.

It is an amenable number.

31342333213 is a deficient number, since it is larger than the sum of its proper divisors (62810787).

31342333213 is an equidigital number, since it uses as much as digits as its factorization.

31342333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62810786.

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

Adding to 31342333213 its reverse (31233324313), we get a palindrome (62575657526).

The spelling of 31342333213 in words is "thirty-one billion, three hundred forty-two million, three hundred thirty-three thousand, two hundred thirteen".