3061312249 has 2 divisors, whose sum is σ = 3061312250. Its totient is φ = 3061312248.

The previous prime is 3061312229. The next prime is 3061312339. The reversal of 3061312249 is 9422131603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294410000 + 766902249 = 47900^2 + 27693^2 .

It is an emirp because it is prime and its reverse (9422131603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3061312249 - 2¹¹ = 3061310201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3061312249.

It is not a weakly prime, because it can be changed into another prime (3061312229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1530656124 + 1530656125.

It is an arithmetic number, because the mean of its divisors is an integer number (1530656125).

Almost surely, 2^3061312249 is an apocalyptic number.

It is an amenable number.

3061312249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3061312249 is an equidigital number, since it uses as much as digits as its factorization.

3061312249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3061312249 is about 55329.1265880820. The cubic root of 3061312249 is about 1452.0086705827.

The spelling of 3061312249 in words is "three billion, sixty-one million, three hundred twelve thousand, two hundred forty-nine".