3187361361 has 32 divisors (see below), whose sum is σ = 4418789760. Its totient is φ = 2042163200.

The previous prime is 3187361347. The next prime is 3187361371. The reversal of 3187361361 is 1631637813.

It is a cyclic number.

It is not a de Polignac number, because 3187361361 - 2⁹ = 3187360849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3187361341) 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 31 ways as a sum of consecutive naturals, for example, 5374681 + ... + 5375273.

It is an arithmetic number, because the mean of its divisors is an integer number (138087180).

Almost surely, 2^3187361361 is an apocalyptic number.

It is an amenable number.

3187361361 is a deficient number, since it is larger than the sum of its proper divisors (1231428399).

3187361361 is a wasteful number, since it uses less digits than its factorization.

3187361361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its digits is 54432, while the sum is 39.

The square root of 3187361361 is about 56456.7211322089. The cubic root of 3187361361 is about 1471.6699920420.

The spelling of 3187361361 in words is "three billion, one hundred eighty-seven million, three hundred sixty-one thousand, three hundred sixty-one".