31222222102 has 8 divisors (see below), whose sum is σ = 46963789200. Its totient is φ = 15567625704.

The previous prime is 31222222081. The next prime is 31222222111. The reversal of 31222222102 is 20122222213.

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

It is a super-3 number, since 3×31222222102³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31222222102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21741777 + ... + 21743212.

It is an arithmetic number, because the mean of its divisors is an integer number (5870473650).

Almost surely, 2^31222222102 is an apocalyptic number.

31222222102 is a deficient number, since it is larger than the sum of its proper divisors (15741567098).

31222222102 is a wasteful number, since it uses less digits than its factorization.

31222222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43485350.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31222222102 its reverse (20122222213), we get a palindrome (51344444315).

The spelling of 31222222102 in words is "thirty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred two".