31200222202102 has 16 divisors (see below), whose sum is σ = 46830574256400. Its totient is φ = 15590031206400.

The previous prime is 31200222202091. The next prime is 31200222202117. The reversal of 31200222202102 is 20120222200213.

It is a self number, because there is not a number n which added to its sum of digits gives 31200222202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221696974 + ... + 221837662.

It is an arithmetic number, because the mean of its divisors is an integer number (2926910891025).

Almost surely, 2^{31200222202102} is an apocalyptic number.

31200222202102 is a deficient number, since it is larger than the sum of its proper divisors (15630352054298).

31200222202102 is a wasteful number, since it uses less digits than its factorization.

31200222202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211551.

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

Adding to 31200222202102 its reverse (20120222200213), we get a palindrome (51320444402315).

The spelling of 31200222202102 in words is "thirty-one trillion, two hundred billion, two hundred twenty-two million, two hundred two thousand, one hundred two".