31112230200112 has 10 divisors (see below), whose sum is σ = 60279946012748. Its totient is φ = 15556115100048.

The previous prime is 31112230200083. The next prime is 31112230200127. The reversal of 31112230200112 is 21100203221113.

It is a super-2 number, since 2×31112230200112² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31112230200112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972257193738 + ... + 972257193769.

Almost surely, 2^{31112230200112} is an apocalyptic number.

It is an amenable number.

31112230200112 is a deficient number, since it is larger than the sum of its proper divisors (29167715812636).

31112230200112 is a wasteful number, since it uses less digits than its factorization.

31112230200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944514387515 (or 1944514387509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31112230200112 its reverse (21100203221113), we get a palindrome (52212433421225).

The spelling of 31112230200112 in words is "thirty-one trillion, one hundred twelve billion, two hundred thirty million, two hundred thousand, one hundred twelve".