10331321218 has 16 divisors (see below), whose sum is σ = 15546214656. Its totient is φ = 5149275040.

The previous prime is 10331321177. The next prime is 10331321219. The reversal of 10331321218 is 81212313301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10331321192 and 10331321201.

It is not an unprimeable number, because it can be changed into a prime (10331321219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910830 + ... + 922102.

It is an arithmetic number, because the mean of its divisors is an integer number (971638416).

Almost surely, 2^10331321218 is an apocalyptic number.

10331321218 is a deficient number, since it is larger than the sum of its proper divisors (5214893438).

10331321218 is a wasteful number, since it uses less digits than its factorization.

10331321218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10331321218 its reverse (81212313301), we get a palindrome (91543634519).

The spelling of 10331321218 in words is "ten billion, three hundred thirty-one million, three hundred twenty-one thousand, two hundred eighteen".