18102311302 has 16 divisors (see below), whose sum is σ = 27441609552. Its totient is φ = 8955164160.

The previous prime is 18102311257. The next prime is 18102311327. The reversal of 18102311302 is 20311320181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740893 + ... + 764935.

It is an arithmetic number, because the mean of its divisors is an integer number (1715100597).

Almost surely, 2^18102311302 is an apocalyptic number.

18102311302 is a deficient number, since it is larger than the sum of its proper divisors (9339298250).

18102311302 is a wasteful number, since it uses less digits than its factorization.

18102311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28023.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 18102311302 its reverse (20311320181), we get a palindrome (38413631483).

The spelling of 18102311302 in words is "eighteen billion, one hundred two million, three hundred eleven thousand, three hundred two".