3161306133 has 6 divisors (see below), whose sum is σ = 4566331094. Its totient is φ = 2107537416.

The previous prime is 3161306123. The next prime is 3161306147. The reversal of 3161306133 is 3316031613.

3161306133 is a `hidden beast` number, since 3 + 16 + 1 + 30 + 613 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3151924164 + 9381969 = 56142^2 + 3063^2 .

It is not a de Polignac number, because 3161306133 - 2⁹ = 3161305621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3161306097 and 3161306106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161306123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175628110 + ... + 175628127.

Almost surely, 2^3161306133 is an apocalyptic number.

It is an amenable number.

3161306133 is a deficient number, since it is larger than the sum of its proper divisors (1405024961).

3161306133 is a wasteful number, since it uses less digits than its factorization.

3161306133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351256243 (or 351256240 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 3161306133 is about 56225.4936216660. The cubic root of 3161306133 is about 1467.6489379042.

Adding to 3161306133 its reverse (3316031613), we get a palindrome (6477337746).

It can be divided in two parts, 316 and 1306133, that added together give a square (1306449 = 1143²).

The spelling of 3161306133 in words is "three billion, one hundred sixty-one million, three hundred six thousand, one hundred thirty-three".