100031212327 has 2 divisors, whose sum is σ = 100031212328. Its totient is φ = 100031212326.

The previous prime is 100031212277. The next prime is 100031212387. The reversal of 100031212327 is 723212130001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (723212130001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100031212327 - 2²⁷ = 99896994599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100031212298 and 100031212307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100031212387) 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 as a sum of consecutive naturals, namely, 50015606163 + 50015606164.

It is an arithmetic number, because the mean of its divisors is an integer number (50015606164).

Almost surely, 2^100031212327 is an apocalyptic number.

100031212327 is a deficient number, since it is larger than the sum of its proper divisors (1).

100031212327 is an equidigital number, since it uses as much as digits as its factorization.

100031212327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 100031212327 its reverse (723212130001), we get a palindrome (823243342328).

The spelling of 100031212327 in words is "one hundred billion, thirty-one million, two hundred twelve thousand, three hundred twenty-seven".