3180343561 has 24 divisors (see below), whose sum is σ = 3535755840. Its totient is φ = 2854655232.

The previous prime is 3180343549. The next prime is 3180343567. The reversal of 3180343561 is 1653430813.

It is not a de Polignac number, because 3180343561 - 2⁷ = 3180343433 is a prime.

It is a super-2 number, since 2×3180343561² = 20229170331988321442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3180343567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3701950 + ... + 3702808.

It is an arithmetic number, because the mean of its divisors is an integer number (147323160).

Almost surely, 2^3180343561 is an apocalyptic number.

It is an amenable number.

3180343561 is a deficient number, since it is larger than the sum of its proper divisors (355412279).

3180343561 is a wasteful number, since it uses less digits than its factorization.

3180343561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3180343561 is about 56394.5348504622. The cubic root of 3180343561 is about 1470.5891110644.

The spelling of 3180343561 in words is "three billion, one hundred eighty million, three hundred forty-three thousand, five hundred sixty-one".