3072341981 has 2 divisors, whose sum is σ = 3072341982. Its totient is φ = 3072341980.

The previous prime is 3072341977. The next prime is 3072342023. The reversal of 3072341981 is 1891432703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839291225 + 233050756 = 53285^2 + 15266^2 .

It is a cyclic number.

It is not a de Polignac number, because 3072341981 - 2² = 3072341977 is a prime.

It is a super-2 number, since 2×3072341981² = 18878570496430008722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3072341911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1536170990 + 1536170991.

It is an arithmetic number, because the mean of its divisors is an integer number (1536170991).

Almost surely, 2^3072341981 is an apocalyptic number.

It is an amenable number.

3072341981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3072341981 is an equidigital number, since it uses as much as digits as its factorization.

3072341981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3072341981 is about 55428.7108004507. The cubic root of 3072341981 is about 1453.7504150348.

The spelling of 3072341981 in words is "three billion, seventy-two million, three hundred forty-one thousand, nine hundred eighty-one".