31030200112 has 20 divisors (see below), whose sum is σ = 60967789776. Its totient is φ = 15296576960.

The previous prime is 31030200101. The next prime is 31030200119. The reversal of 31030200112 is 21100203013.

It is a junction number, because it is equal to n+sod(n) for n = 31030200092 and 31030200101.

It is not an unprimeable number, because it can be changed into a prime (31030200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13656523 + ... + 13658794.

Almost surely, 2^31030200112 is an apocalyptic number.

It is an amenable number.

31030200112 is a deficient number, since it is larger than the sum of its proper divisors (29937589664).

31030200112 is a wasteful number, since it uses less digits than its factorization.

31030200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315396 (or 27315390 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31030200112 its reverse (21100203013), we get a palindrome (52130403125).

The spelling of 31030200112 in words is "thirty-one billion, thirty million, two hundred thousand, one hundred twelve".