3144171818 has 4 divisors (see below), whose sum is σ = 4716257730. Its totient is φ = 1572085908.

The previous prime is 3144171803. The next prime is 3144171839. The reversal of 3144171818 is 8181714413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2719935409 + 424236409 = 52153^2 + 20597^2 .

It is a super-2 number, since 2×3144171818² = 19771632842210850248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786042953 + ... + 786042956.

Almost surely, 2^3144171818 is an apocalyptic number.

3144171818 is a deficient number, since it is larger than the sum of its proper divisors (1572085912).

3144171818 is a wasteful number, since it uses less digits than its factorization.

3144171818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572085911.

The product of its digits is 21504, while the sum is 38.

The square root of 3144171818 is about 56072.9151908477. The cubic root of 3144171818 is about 1464.9925749875.

The spelling of 3144171818 in words is "three billion, one hundred forty-four million, one hundred seventy-one thousand, eight hundred eighteen".