100331311231231 has 32 divisors (see below), whose sum is σ = 105260247410688. Its totient is φ = 95451265213920.

The previous prime is 100331311231201. The next prime is 100331311231237. The reversal of 100331311231231 is 132132113133001.

It is a cyclic number.

It is not a de Polignac number, because 100331311231231 - 2⁹ = 100331311230719 is a prime.

It is a super-2 number, since 2×100331311231231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100331311231196 and 100331311231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100331311231237) 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 31 ways as a sum of consecutive naturals, for example, 5673876316 + ... + 5673893998.

It is an arithmetic number, because the mean of its divisors is an integer number (3289382731584).

Almost surely, 2^{100331311231231} is an apocalyptic number.

100331311231231 is a deficient number, since it is larger than the sum of its proper divisors (4928936179457).

100331311231231 is a wasteful number, since it uses less digits than its factorization.

100331311231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 100331311231231 its reverse (132132113133001), we get a palindrome (232463424364232).

The spelling of 100331311231231 in words is "one hundred trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty-one thousand, two hundred thirty-one".