31120003012 has 12 divisors (see below), whose sum is σ = 62240006080. Its totient is φ = 13337144136.

The previous prime is 31120002973. The next prime is 31120003087. The reversal of 31120003012 is 21030002113.

31120003012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31120002983 and 31120003001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555714312 + ... + 555714367.

Almost surely, 2^31120003012 is an apocalyptic number.

It is an amenable number.

31120003012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31120003012 is a wasteful number, since it uses less digits than its factorization.

31120003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111428690 (or 1111428688 counting only the distinct ones).

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

Adding to 31120003012 its reverse (21030002113), we get a palindrome (52150005125).

The spelling of 31120003012 in words is "thirty-one billion, one hundred twenty million, three thousand, twelve".