231111300102 has 16 divisors (see below), whose sum is σ = 463148904000. Its totient is φ = 76882716072.

The previous prime is 231111300097. The next prime is 231111300107. The reversal of 231111300102 is 201003111132.

It is a happy number.

231111300102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231111300097) and next prime (231111300107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231111300107) 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, 38592748 + ... + 38598735.

It is an arithmetic number, because the mean of its divisors is an integer number (28946806500).

Almost surely, 2^231111300102 is an apocalyptic number.

231111300102 is an abundant number, since it is smaller than the sum of its proper divisors (232037603898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231111300102 is a wasteful number, since it uses less digits than its factorization.

231111300102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77191987.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231111300102 its reverse (201003111132), we get a palindrome (432114411234).

The spelling of 231111300102 in words is "two hundred thirty-one billion, one hundred eleven million, three hundred thousand, one hundred two".