3049148731 has 4 divisors (see below), whose sum is σ = 3080583352. Its totient is φ = 3017714112.

The previous prime is 3049148723. The next prime is 3049148737. The reversal of 3049148731 is 1378419403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1378419403 = 7907 ⋅174329.

It is a cyclic number.

It is not a de Polignac number, because 3049148731 - 2³ = 3049148723 is a prime.

It is a super-2 number, since 2×3049148731² = 18594615967517820722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3049148737) 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, 15717165 + ... + 15717358.

It is an arithmetic number, because the mean of its divisors is an integer number (770145838).

Almost surely, 2^3049148731 is an apocalyptic number.

3049148731 is a deficient number, since it is larger than the sum of its proper divisors (31434621).

3049148731 is an equidigital number, since it uses as much as digits as its factorization.

3049148731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31434620.

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

The square root of 3049148731 is about 55219.0975206948. The cubic root of 3049148731 is about 1450.0830283015.

The spelling of 3049148731 in words is "three billion, forty-nine million, one hundred forty-eight thousand, seven hundred thirty-one".