31200103122 has 16 divisors (see below), whose sum is σ = 62429513952. Its totient is φ = 10395149760.

The previous prime is 31200103117. The next prime is 31200103157. The reversal of 31200103122 is 22130100213.

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, 1207303 + ... + 1232874.

It is an arithmetic number, because the mean of its divisors is an integer number (3901844622).

Almost surely, 2^31200103122 is an apocalyptic number.

31200103122 is an abundant number, since it is smaller than the sum of its proper divisors (31229410830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31200103122 is a wasteful number, since it uses less digits than its factorization.

31200103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442313.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31200103122 its reverse (22130100213), we get a palindrome (53330203335).

The spelling of 31200103122 in words is "thirty-one billion, two hundred million, one hundred three thousand, one hundred twenty-two".