31112201122 has 8 divisors (see below), whose sum is σ = 47661244416. Its totient is φ = 15225119652.

The previous prime is 31112201119. The next prime is 31112201147. The reversal of 31112201122 is 22110221113.

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

It is a junction number, because it is equal to n+sod(n) for n = 31112201096 and 31112201105.

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 3 ways as a sum of consecutive naturals, for example, 165490338 + ... + 165490525.

It is an arithmetic number, because the mean of its divisors is an integer number (5957655552).

Almost surely, 2^31112201122 is an apocalyptic number.

31112201122 is a deficient number, since it is larger than the sum of its proper divisors (16549043294).

31112201122 is a wasteful number, since it uses less digits than its factorization.

31112201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330980912.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31112201122 its reverse (22110221113), we get a palindrome (53222422235).

The spelling of 31112201122 in words is "thirty-one billion, one hundred twelve million, two hundred one thousand, one hundred twenty-two".