3151123049 has 2 divisors, whose sum is σ = 3151123050. Its totient is φ = 3151123048.

The previous prime is 3151123021. The next prime is 3151123057. The reversal of 3151123049 is 9403211513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2846969449 + 304153600 = 53357^2 + 17440^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151123049 - 2²⁸ = 2882687593 is a prime.

It is not a weakly prime, because it can be changed into another prime (3151123069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575561524 + 1575561525.

It is an arithmetic number, because the mean of its divisors is an integer number (1575561525).

Almost surely, 2^3151123049 is an apocalyptic number.

It is an amenable number.

3151123049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151123049 is an equidigital number, since it uses as much as digits as its factorization.

3151123049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3151123049 is about 56134.8648257035. The cubic root of 3151123049 is about 1466.0713971098.

The spelling of 3151123049 in words is "three billion, one hundred fifty-one million, one hundred twenty-three thousand, forty-nine".