31112222112130 has 16 divisors (see below), whose sum is σ = 56248704650880. Its totient is φ = 12390065545072.

The previous prime is 31112222112119. The next prime is 31112222112157. The reversal of 31112222112130 is 3121122221113.

It is a happy number.

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, 6852910090 + ... + 6852914629.

It is an arithmetic number, because the mean of its divisors is an integer number (3515544040680).

Almost surely, 2^{31112222112130} is an apocalyptic number.

31112222112130 is a deficient number, since it is larger than the sum of its proper divisors (25136482538750).

31112222112130 is a wasteful number, since it uses less digits than its factorization.

31112222112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13705824953.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 31112222112130 its reverse (3121122221113), we get a palindrome (34233344333243).

The spelling of 31112222112130 in words is "thirty-one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred thirty".