100311311 has 2 divisors, whose sum is σ = 100311312. Its totient is φ = 100311310.

The previous prime is 100311293. The next prime is 100311347. The reversal of 100311311 is 113113001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100311311 - 2⁶ = 100311247 is a prime.

It is a super-2 number, since 2×100311311² = 20124718229077442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100311292 and 100311301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100311361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50155655 + 50155656.

It is an arithmetic number, because the mean of its divisors is an integer number (50155656).

Almost surely, 2^100311311 is an apocalyptic number.

100311311 is a deficient number, since it is larger than the sum of its proper divisors (1).

100311311 is an equidigital number, since it uses as much as digits as its factorization.

100311311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 100311311 is about 10015.5534545027. The cubic root of 100311311 is about 464.6400436250.

Adding to 100311311 its reverse (113113001), we get a palindrome (213424312).

The spelling of 100311311 in words is "one hundred million, three hundred eleven thousand, three hundred eleven".