101440243318 has 16 divisors (see below), whose sum is σ = 155788332480. Its totient is φ = 49512153096.

The previous prime is 101440243313. The next prime is 101440243319. The reversal of 101440243318 is 813342044101.

It is a self number, because there is not a number n which added to its sum of digits gives 101440243318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101440243313) 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, 187348 + ... + 487831.

It is an arithmetic number, because the mean of its divisors is an integer number (9736770780).

Almost surely, 2^101440243318 is an apocalyptic number.

101440243318 is a deficient number, since it is larger than the sum of its proper divisors (54348089162).

101440243318 is a wasteful number, since it uses less digits than its factorization.

101440243318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676971.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 101440243318 its reverse (813342044101), we get a palindrome (914782287419).

The spelling of 101440243318 in words is "one hundred one billion, four hundred forty million, two hundred forty-three thousand, three hundred eighteen".