3013129981 has 2 divisors, whose sum is σ = 3013129982. Its totient is φ = 3013129980.

The previous prime is 3013129949. The next prime is 3013130009. The reversal of 3013129981 is 1899213103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015201881 + 997928100 = 44891^2 + 31590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013129981 - 2⁵ = 3013129949 is a prime.

It is a super-2 number, since 2×3013129981² = 18157904564802120722, 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 3013129981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3013129901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506564990 + 1506564991.

It is an arithmetic number, because the mean of its divisors is an integer number (1506564991).

Almost surely, 2^3013129981 is an apocalyptic number.

It is an amenable number.

3013129981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3013129981 is an equidigital number, since it uses as much as digits as its factorization.

3013129981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 3013129981 is about 54891.9846698951. The cubic root of 3013129981 is about 1444.3505869650.

The spelling of 3013129981 in words is "three billion, thirteen million, one hundred twenty-nine thousand, nine hundred eighty-one".