3012313033021 has 2 divisors, whose sum is σ = 3012313033022. Its totient is φ = 3012313033020.

The previous prime is 3012313033007. The next prime is 3012313033043. The reversal of 3012313033021 is 1203303132103.

It is an a-pointer prime, because the next prime (3012313033043) can be obtained adding 3012313033021 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2972417364900 + 39895668121 = 1724070^2 + 199739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3012313033021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3012313032983 and 3012313033001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012313033001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506156516510 + 1506156516511.

It is an arithmetic number, because the mean of its divisors is an integer number (1506156516511).

Almost surely, 2^{3012313033021} is an apocalyptic number.

It is an amenable number.

3012313033021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012313033021 is an equidigital number, since it uses as much as digits as its factorization.

3012313033021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3012313033021 its reverse (1203303132103), we get a palindrome (4215616165124).

The spelling of 3012313033021 in words is "three trillion, twelve billion, three hundred thirteen million, thirty-three thousand, twenty-one".