31341111663 has 8 divisors (see below), whose sum is σ = 41789733376. Its totient is φ = 20893282200.

The previous prime is 31341111601. The next prime is 31341111671. The reversal of 31341111663 is 36611114313.

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

It is not a de Polignac number, because 31341111663 - 2⁸ = 31341111407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31341111663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341111673) by changing a digit.

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, 98623 + ... + 269088.

It is an arithmetic number, because the mean of its divisors is an integer number (5223716672).

Almost surely, 2^31341111663 is an apocalyptic number.

31341111663 is a deficient number, since it is larger than the sum of its proper divisors (10448621713).

31341111663 is a wasteful number, since it uses less digits than its factorization.

31341111663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396125.

The product of its digits is 3888, while the sum is 30.

Adding to 31341111663 its reverse (36611114313), we get a palindrome (67952225976).

The spelling of 31341111663 in words is "thirty-one billion, three hundred forty-one million, one hundred eleven thousand, six hundred sixty-three".