31030303112 has 16 divisors (see below), whose sum is σ = 61244019600. Its totient is φ = 14698564560.

The previous prime is 31030303091. The next prime is 31030303123. The reversal of 31030303112 is 21130303013.

It is a super-2 number, since 2×31030303112² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 102073214 + ... + 102073517.

It is an arithmetic number, because the mean of its divisors is an integer number (3827751225).

Almost surely, 2^31030303112 is an apocalyptic number.

It is an amenable number.

31030303112 is a deficient number, since it is larger than the sum of its proper divisors (30213716488).

31030303112 is a wasteful number, since it uses less digits than its factorization.

31030303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204146756 (or 204146752 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31030303112 its reverse (21130303013), we get a palindrome (52160606125).

Subtracting from 31030303112 its reverse (21130303013), we obtain a palindrome (9900000099).

The spelling of 31030303112 in words is "thirty-one billion, thirty million, three hundred three thousand, one hundred twelve".