20311200331102 has 8 divisors (see below), whose sum is σ = 30884153928336. Its totient is φ = 10016482354992.

The previous prime is 20311200331043. The next prime is 20311200331109. The reversal of 20311200331102 is 20113300211302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20311200331102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311200331109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69558905098 + ... + 69558905389.

It is an arithmetic number, because the mean of its divisors is an integer number (3860519241042).

Almost surely, 2^{20311200331102} is an apocalyptic number.

20311200331102 is a deficient number, since it is larger than the sum of its proper divisors (10572953597234).

20311200331102 is a wasteful number, since it uses less digits than its factorization.

20311200331102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139117810562.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20311200331102 its reverse (20113300211302), we get a palindrome (40424500542404).

The spelling of 20311200331102 in words is "twenty trillion, three hundred eleven billion, two hundred million, three hundred thirty-one thousand, one hundred two".