1811312714 has 8 divisors (see below), whose sum is σ = 2717448708. Its totient is φ = 905496480.

The previous prime is 1811312707. The next prime is 1811312717. The reversal of 1811312714 is 4172131181.

It can be written as a sum of positive squares in 2 ways, for example, as 1617407089 + 193905625 = 40217^2 + 13925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1811312717) 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 3 ways as a sum of consecutive naturals, for example, 65237 + ... + 88760.

Almost surely, 2^1811312714 is an apocalyptic number.

1811312714 is a deficient number, since it is larger than the sum of its proper divisors (906135994).

1811312714 is a wasteful number, since it uses less digits than its factorization.

1811312714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159880.

The product of its digits is 1344, while the sum is 29.

The square root of 1811312714 is about 42559.5196636428. The cubic root of 1811312714 is about 1218.9834571700.

Adding to 1811312714 its reverse (4172131181), we get a palindrome (5983443895).

The spelling of 1811312714 in words is "one billion, eight hundred eleven million, three hundred twelve thousand, seven hundred fourteen".