31122103202 has 16 divisors (see below), whose sum is σ = 46824668352. Its totient is φ = 15513910320.

The previous prime is 31122103153. The next prime is 31122103231. The reversal of 31122103202 is 20230122113.

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, 2912273 + ... + 2922939.

It is an arithmetic number, because the mean of its divisors is an integer number (2926541772).

Almost surely, 2^31122103202 is an apocalyptic number.

31122103202 is a deficient number, since it is larger than the sum of its proper divisors (15702565150).

31122103202 is a wasteful number, since it uses less digits than its factorization.

31122103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31122103202 its reverse (20230122113), we get a palindrome (51352225315).

The spelling of 31122103202 in words is "thirty-one billion, one hundred twenty-two million, one hundred three thousand, two hundred two".