31321223002106 has 8 divisors (see below), whose sum is σ = 48497377551744. Its totient is φ = 15155430484860.

The previous prime is 31321223002057. The next prime is 31321223002141. The reversal of 31321223002106 is 60120032212313.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252590508020 + ... + 252590508143.

It is an arithmetic number, because the mean of its divisors is an integer number (6062172193968).

Almost surely, 2^{31321223002106} is an apocalyptic number.

31321223002106 is a deficient number, since it is larger than the sum of its proper divisors (17176154549638).

31321223002106 is a wasteful number, since it uses less digits than its factorization.

31321223002106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505181016196.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31321223002106 its reverse (60120032212313), we get a palindrome (91441255214419).

The spelling of 31321223002106 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred twenty-three million, two thousand, one hundred six".