3130487149 has 4 divisors (see below), whose sum is σ = 3131336700. Its totient is φ = 3129637600.

The previous prime is 3130487131. The next prime is 3130487183. The reversal of 3130487149 is 9417840313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1883126025 + 1247361124 = 43395^2 + 35318^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130487149 - 2¹¹ = 3130485101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130427149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419224 + ... + 426625.

It is an arithmetic number, because the mean of its divisors is an integer number (782834175).

Almost surely, 2^3130487149 is an apocalyptic number.

It is an amenable number.

3130487149 is a deficient number, since it is larger than the sum of its proper divisors (849551).

3130487149 is an equidigital number, since it uses as much as digits as its factorization.

3130487149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849550.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3130487149 is about 55950.7564649487. The cubic root of 3130487149 is about 1462.8640765393.

The spelling of 3130487149 in words is "three billion, one hundred thirty million, four hundred eighty-seven thousand, one hundred forty-nine".