3171428743 has 16 divisors (see below), whose sum is σ = 3747631104. Its totient is φ = 2626303680.

The previous prime is 3171428707. The next prime is 3171428753. The reversal of 3171428743 is 3478241713.

It is a de Polignac number, because none of the positive numbers 2^k-3171428743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3171428696 and 3171428705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3171428753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122046 + ... + 145732.

It is an arithmetic number, because the mean of its divisors is an integer number (234226944).

Almost surely, 2^3171428743 is an apocalyptic number.

3171428743 is a deficient number, since it is larger than the sum of its proper divisors (576202361).

3171428743 is a wasteful number, since it uses less digits than its factorization.

3171428743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24342.

The product of its digits is 112896, while the sum is 40.

The square root of 3171428743 is about 56315.4396502416. The cubic root of 3171428743 is about 1469.2137561996.

The spelling of 3171428743 in words is "three billion, one hundred seventy-one million, four hundred twenty-eight thousand, seven hundred forty-three".