100030331 has 2 divisors, whose sum is σ = 100030332. Its totient is φ = 100030330.

The previous prime is 100030327. The next prime is 100030339. The reversal of 100030331 is 133030001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100030331 - 2² = 100030327 is a prime.

It is a super-2 number, since 2×100030331² = 20012134239939122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100030339) 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, 50015165 + 50015166.

It is an arithmetic number, because the mean of its divisors is an integer number (50015166).

Almost surely, 2^100030331 is an apocalyptic number.

100030331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100030331 is an equidigital number, since it uses as much as digits as its factorization.

100030331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 100030331 is about 10001.5164350212. The cubic root of 100030331 is about 464.2058066278.

Adding to 100030331 its reverse (133030001), we get a palindrome (233060332).

The spelling of 100030331 in words is "one hundred million, thirty thousand, three hundred thirty-one".