31204200022 has 16 divisors (see below), whose sum is σ = 47007937872. Its totient is φ = 15534928000.

The previous prime is 31204200017. The next prime is 31204200037. The reversal of 31204200022 is 22000240213.

It is a junction number, because it is equal to n+sod(n) for n = 31204199969 and 31204200005.

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 7 ways as a sum of consecutive naturals, for example, 1916058 + ... + 1932274.

It is an arithmetic number, because the mean of its divisors is an integer number (2937996117).

Almost surely, 2^31204200022 is an apocalyptic number.

31204200022 is a deficient number, since it is larger than the sum of its proper divisors (15803737850).

31204200022 is a wasteful number, since it uses less digits than its factorization.

31204200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 31204200022 its reverse (22000240213), we get a palindrome (53204440235).

The spelling of 31204200022 in words is "thirty-one billion, two hundred four million, two hundred thousand, twenty-two".