31121301122 has 16 divisors (see below), whose sum is σ = 47045396160. Its totient is φ = 15439861392.

The previous prime is 31121301097. The next prime is 31121301143. The reversal of 31121301122 is 22110312113.

It is a self number, because there is not a number n which added to its sum of digits gives 31121301122.

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, 84629 + ... + 263447.

It is an arithmetic number, because the mean of its divisors is an integer number (2940337260).

Almost surely, 2^31121301122 is an apocalyptic number.

31121301122 is a deficient number, since it is larger than the sum of its proper divisors (15924095038).

31121301122 is a wasteful number, since it uses less digits than its factorization.

31121301122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179497.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31121301122 its reverse (22110312113), we get a palindrome (53231613235).

The spelling of 31121301122 in words is "thirty-one billion, one hundred twenty-one million, three hundred one thousand, one hundred twenty-two".