18311014 has 8 divisors (see below), whose sum is σ = 27486648. Its totient is φ = 9148800.

The previous prime is 18311011. The next prime is 18311039. The reversal of 18311014 is 41011381.

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

It is a junction number, because it is equal to n+sod(n) for n = 18310982 and 18311000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18311011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (3435831).

Almost surely, 2^18311014 is an apocalyptic number.

18311014 is a deficient number, since it is larger than the sum of its proper divisors (9175634).

18311014 is a wasteful number, since it uses less digits than its factorization.

18311014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 18311014 is about 4279.1370625396. The cubic root of 18311014 is about 263.5749492444.

Adding to 18311014 its reverse (41011381), we get a palindrome (59322395).

The spelling of 18311014 in words is "eighteen million, three hundred eleven thousand, fourteen".