31342223213 has 8 divisors (see below), whose sum is σ = 37926724032. Its totient is φ = 25284482496.

The previous prime is 31342223177. The next prime is 31342223219. The reversal of 31342223213 is 31232224313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31342223213 - 2¹⁶ = 31342157677 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 (31342223219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131689895 + ... + 131690132.

It is an arithmetic number, because the mean of its divisors is an integer number (4740840504).

Almost surely, 2^31342223213 is an apocalyptic number.

It is an amenable number.

31342223213 is a deficient number, since it is larger than the sum of its proper divisors (6584500819).

31342223213 is a wasteful number, since it uses less digits than its factorization.

31342223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263380051.

The product of its digits is 5184, while the sum is 26.

Adding to 31342223213 its reverse (31232224313), we get a palindrome (62574447526).

The spelling of 31342223213 in words is "thirty-one billion, three hundred forty-two million, two hundred twenty-three thousand, two hundred thirteen".