3036331981 has 2 divisors, whose sum is σ = 3036331982. Its totient is φ = 3036331980.

The previous prime is 3036331943. The next prime is 3036332003. The reversal of 3036331981 is 1891336303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2317555881 + 718776100 = 48141^2 + 26810^2 .

It is an emirp because it is prime and its reverse (1891336303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3036331981 - 2¹⁹ = 3035807693 is a prime.

It is a super-2 number, since 2×3036331981² = 18438623797686768722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3036331981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3036301981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518165990 + 1518165991.

It is an arithmetic number, because the mean of its divisors is an integer number (1518165991).

Almost surely, 2^3036331981 is an apocalyptic number.

It is an amenable number.

3036331981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3036331981 is an equidigital number, since it uses as much as digits as its factorization.

3036331981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 3036331981 is about 55102.9217101961. The cubic root of 3036331981 is about 1448.0484218428.

The spelling of 3036331981 in words is "three billion, thirty-six million, three hundred thirty-one thousand, nine hundred eighty-one".