31232213323 has 8 divisors (see below), whose sum is σ = 33071101200. Its totient is φ = 29393514240.

The previous prime is 31232213293. The next prime is 31232213333. The reversal of 31232213323 is 32331223213.

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

It is a cyclic number.

It is not a de Polignac number, because 31232213323 - 2³³ = 22642278731 is a prime.

It is a super-2 number, since 2×31232213323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31232213333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433168 + ... + 500098.

It is an arithmetic number, because the mean of its divisors is an integer number (4133887650).

Almost surely, 2^31232213323 is an apocalyptic number.

31232213323 is a deficient number, since it is larger than the sum of its proper divisors (1838887877).

31232213323 is a wasteful number, since it uses less digits than its factorization.

31232213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94397.

The product of its digits is 3888, while the sum is 25.

Adding to 31232213323 its reverse (32331223213), we get a palindrome (63563436536).

The spelling of 31232213323 in words is "thirty-one billion, two hundred thirty-two million, two hundred thirteen thousand, three hundred twenty-three".