1031311112 has 32 divisors (see below), whose sum is σ = 2083861080. Its totient is φ = 475668480.

The previous prime is 1031311093. The next prime is 1031311121. The reversal of 1031311112 is 2111131301.

It is a happy number.

1031311112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1023616036 + 7695076 = 31994^2 + 2774^2 .

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, 227912 + ... + 232392.

Almost surely, 2^1031311112 is an apocalyptic number.

It is an amenable number.

1031311112 is an abundant number, since it is smaller than the sum of its proper divisors (1052549968).

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

1031311112 is a wasteful number, since it uses less digits than its factorization.

1031311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6709 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1031311112 is about 32114.0329451161. The cubic root of 1031311112 is about 1010.3299617925.

Adding to 1031311112 its reverse (2111131301), we get a palindrome (3142442413).

The spelling of 1031311112 in words is "one billion, thirty-one million, three hundred eleven thousand, one hundred twelve".