3120312049 has 2 divisors, whose sum is σ = 3120312050. Its totient is φ = 3120312048.

The previous prime is 3120312023. The next prime is 3120312103. The reversal of 3120312049 is 9402130213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2955009600 + 165302449 = 54360^2 + 12857^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120312049 - 2⁵ = 3120312017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3120315049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560156024 + 1560156025.

It is an arithmetic number, because the mean of its divisors is an integer number (1560156025).

Almost surely, 2^3120312049 is an apocalyptic number.

It is an amenable number.

3120312049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120312049 is an equidigital number, since it uses as much as digits as its factorization.

3120312049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3120312049 is about 55859.7533918652. The cubic root of 3120312049 is about 1461.2774284620.

The spelling of 3120312049 in words is "three billion, one hundred twenty million, three hundred twelve thousand, forty-nine".