3171427136 has 14 divisors (see below), whose sum is σ = 6293300850. Its totient is φ = 1585713536.

The previous prime is 3171427099. The next prime is 3171427159. The reversal of 3171427136 is 6317241713.

It can be written as a sum of positive squares in only one way, i.e., 3144966400 + 26460736 = 56080^2 + 5144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3171427096 and 3171427105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24776711 + ... + 24776838.

Almost surely, 2^3171427136 is an apocalyptic number.

It is an amenable number.

3171427136 is a deficient number, since it is larger than the sum of its proper divisors (3121873714).

3171427136 is an equidigital number, since it uses as much as digits as its factorization.

3171427136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49553561 (or 49553551 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 3171427136 is about 56315.4253823941. The cubic root of 3171427136 is about 1469.2135080437.

Adding to 3171427136 its reverse (6317241713), we get a palindrome (9488668849).

The spelling of 3171427136 in words is "three billion, one hundred seventy-one million, four hundred twenty-seven thousand, one hundred thirty-six".