3031021012 has 6 divisors (see below), whose sum is σ = 5304286778. Its totient is φ = 1515510504.

The previous prime is 3031020997. The next prime is 3031021033. The reversal of 3031021012 is 2101201303.

It can be written as a sum of positive squares in only one way, i.e., 1613950276 + 1417070736 = 40174^2 + 37644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3031020983 and 3031021001.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 378877623 + ... + 378877630.

Almost surely, 2^3031021012 is an apocalyptic number.

It is an amenable number.

3031021012 is a deficient number, since it is larger than the sum of its proper divisors (2273265766).

3031021012 is a wasteful number, since it uses less digits than its factorization.

3031021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757755257 (or 757755255 counting only the distinct ones).

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

The square root of 3031021012 is about 55054.7092626961. The cubic root of 3031021012 is about 1447.2036494187.

Adding to 3031021012 its reverse (2101201303), we get a palindrome (5132222315).

The spelling of 3031021012 in words is "three billion, thirty-one million, twenty-one thousand, twelve".