1031021012 has 12 divisors (see below), whose sum is σ = 2062042080. Its totient is φ = 441866136.

The previous prime is 1031020987. The next prime is 1031021053. The reversal of 1031021012 is 2101201301.

1031021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

1031021012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1031020984 and 1031021002.

It is a congruent number.

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, 18411062 + ... + 18411117.

It is an arithmetic number, because the mean of its divisors is an integer number (171836840).

Almost surely, 2^1031021012 is an apocalyptic number.

It is an amenable number.

1031021012 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.

1031021012 is a wasteful number, since it uses less digits than its factorization.

1031021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36822190 (or 36822188 counting only the distinct ones).

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

The square root of 1031021012 is about 32109.5159103964. The cubic root of 1031021012 is about 1010.2352201881.

Adding to 1031021012 its reverse (2101201301), we get a palindrome (3132222313).

The spelling of 1031021012 in words is "one billion, thirty-one million, twenty-one thousand, twelve".