100323031 has 2 divisors, whose sum is σ = 100323032. Its totient is φ = 100323030.

The previous prime is 100323019. The next prime is 100323049. The reversal of 100323031 is 130323001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100323031 - 2⁷ = 100322903 is a prime.

It is a super-2 number, since 2×100323031² = 20129421098053922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100323061) 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, 50161515 + 50161516.

It is an arithmetic number, because the mean of its divisors is an integer number (50161516).

Almost surely, 2^100323031 is an apocalyptic number.

100323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100323031 is an equidigital number, since it uses as much as digits as its factorization.

100323031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 100323031 is about 10016.1385273967. The cubic root of 100323031 is about 464.6581385244.

Adding to 100323031 its reverse (130323001), we get a palindrome (230646032).

The spelling of 100323031 in words is "one hundred million, three hundred twenty-three thousand, thirty-one".