3161421171 has 10 divisors (see below), whose sum is σ = 4722616932. Its totient is φ = 2107614060.

The previous prime is 3161421149. The next prime is 3161421173. The reversal of 3161421171 is 1711241613.

3161421171 is a `hidden beast` number, since 31 + 614 + 2 + 1 + 17 + 1 = 666.

It is not a de Polignac number, because 3161421171 - 2¹⁴ = 3161404787 is a prime.

It is a super-2 number, since 2×3161421171² = 19989167640894022482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3161421173) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19514865 + ... + 19515026.

Almost surely, 2^3161421171 is an apocalyptic number.

3161421171 is a deficient number, since it is larger than the sum of its proper divisors (1561195761).

3161421171 is an equidigital number, since it uses as much as digits as its factorization.

3161421171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39029903 (or 39029894 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 3161421171 is about 56226.5166180513. The cubic root of 3161421171 is about 1467.6667399712. Note that the first 3 decimals are identical.

Adding to 3161421171 its reverse (1711241613), we get a palindrome (4872662784).

The spelling of 3161421171 in words is "three billion, one hundred sixty-one million, four hundred twenty-one thousand, one hundred seventy-one".