100315331 has 2 divisors, whose sum is σ = 100315332. Its totient is φ = 100315330.

The previous prime is 100315309. The next prime is 100315333. The reversal of 100315331 is 133513001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100315331 - 2¹⁰ = 100314307 is a prime.

It is a super-2 number, since 2×100315331² = 20126331267279122, which contains 22 as substring.

Together with 100315333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100315333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50157665 + 50157666.

It is an arithmetic number, because the mean of its divisors is an integer number (50157666).

Almost surely, 2^100315331 is an apocalyptic number.

100315331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100315331 is an equidigital number, since it uses as much as digits as its factorization.

100315331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 100315331 is about 10015.7541403531. The cubic root of 100315331 is about 464.6462503961.

Adding to 100315331 its reverse (133513001), we get a palindrome (233828332).

The spelling of 100315331 in words is "one hundred million, three hundred fifteen thousand, three hundred thirty-one".