1020031112 has 32 divisors (see below), whose sum is σ = 2031069600. Its totient is φ = 478888704.

The previous prime is 1020031109. The next prime is 1020031141. The reversal of 1020031112 is 2111300201.

It is a junction number, because it is equal to n+sod(n) for n = 1020031093 and 1020031102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12518 + ... + 46869.

It is an arithmetic number, because the mean of its divisors is an integer number (63470925).

Almost surely, 2^1020031112 is an apocalyptic number.

It is an amenable number.

1020031112 is a deficient number, since it is larger than the sum of its proper divisors (1011038488).

1020031112 is a wasteful number, since it uses less digits than its factorization.

1020031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59525 (or 59521 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1020031112 is about 31937.9259188821. The cubic root of 1020031112 is about 1006.6329441115.

Adding to 1020031112 its reverse (2111300201), we get a palindrome (3131331313).

The spelling of 1020031112 in words is "one billion, twenty million, thirty-one thousand, one hundred twelve".