31130331122 has 16 divisors (see below), whose sum is σ = 51129921600. Its totient is φ = 14097545040.

The previous prime is 31130331109. The next prime is 31130331149. The reversal of 31130331122 is 22113303113.

It is a junction number, because it is equal to n+sod(n) for n = 31130331094 and 31130331103.

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, 2624222 + ... + 2636057.

It is an arithmetic number, because the mean of its divisors is an integer number (3195620100).

Almost surely, 2^31130331122 is an apocalyptic number.

31130331122 is a deficient number, since it is larger than the sum of its proper divisors (19999590478).

31130331122 is a wasteful number, since it uses less digits than its factorization.

31130331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260561.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31130331122 its reverse (22113303113), we get a palindrome (53243634235).

The spelling of 31130331122 in words is "thirty-one billion, one hundred thirty million, three hundred thirty-one thousand, one hundred twenty-two".