100111232031231 has 32 divisors (see below), whose sum is σ = 135892515661056. Its totient is φ = 65545983360000.

The previous prime is 100111232031193. The next prime is 100111232031271. The reversal of 100111232031231 is 132130232111001.

It is not a de Polignac number, because 100111232031231 - 2⁷ = 100111232031103 is a prime.

It is a super-2 number, since 2×100111232031231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100111232031198 and 100111232031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111232031271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1784454081 + ... + 1784510181.

It is an arithmetic number, because the mean of its divisors is an integer number (4246641114408).

Almost surely, 2^{100111232031231} is an apocalyptic number.

100111232031231 is a deficient number, since it is larger than the sum of its proper divisors (35781283629825).

100111232031231 is a wasteful number, since it uses less digits than its factorization.

100111232031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103143.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 100111232031231 its reverse (132130232111001), we get a palindrome (232241464142232).

The spelling of 100111232031231 in words is "one hundred trillion, one hundred eleven billion, two hundred thirty-two million, thirty-one thousand, two hundred thirty-one".