3161138282 has 8 divisors (see below), whose sum is σ = 4752971652. Its totient is φ = 1576814400.

The previous prime is 3161138273. The next prime is 3161138303. The reversal of 3161138282 is 2828311613.

It is a happy number.

3161138282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3106836121 + 54302161 = 55739^2 + 7369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876319 + ... + 1878002.

Almost surely, 2^3161138282 is an apocalyptic number.

3161138282 is a deficient number, since it is larger than the sum of its proper divisors (1591833370).

3161138282 is a wasteful number, since it uses less digits than its factorization.

3161138282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754744.

The product of its digits is 13824, while the sum is 35.

The square root of 3161138282 is about 56224.0009426579. Note that the first 3 decimals coincide. The cubic root of 3161138282 is about 1467.6229622798.

Adding to 3161138282 its reverse (2828311613), we get a palindrome (5989449895).

The spelling of 3161138282 in words is "three billion, one hundred sixty-one million, one hundred thirty-eight thousand, two hundred eighty-two".