31232222342 has 8 divisors (see below), whose sum is σ = 47732264496. Its totient is φ = 15321467512.

The previous prime is 31232222339. The next prime is 31232222347. The reversal of 31232222342 is 24322223213.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232222347) 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 3 ways as a sum of consecutive naturals, for example, 147321698 + ... + 147321909.

It is an arithmetic number, because the mean of its divisors is an integer number (5966533062).

Almost surely, 2^31232222342 is an apocalyptic number.

31232222342 is a deficient number, since it is larger than the sum of its proper divisors (16500042154).

31232222342 is a wasteful number, since it uses less digits than its factorization.

31232222342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294643662.

The product of its digits is 6912, while the sum is 26.

Adding to 31232222342 its reverse (24322223213), we get a palindrome (55554445555).

The spelling of 31232222342 in words is "thirty-one billion, two hundred thirty-two million, two hundred twenty-two thousand, three hundred forty-two".