100699931 has 2 divisors, whose sum is σ = 100699932. Its totient is φ = 100699930.

The previous prime is 100699927. The next prime is 100699967. The reversal of 100699931 is 139996001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100699931 - 2² = 100699927 is a prime.

It is a super-2 number, since 2×100699931² = 20280952206809522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100699331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50349965 + 50349966.

It is an arithmetic number, because the mean of its divisors is an integer number (50349966).

Almost surely, 2^100699931 is an apocalyptic number.

100699931 is a deficient number, since it is larger than the sum of its proper divisors (1).

100699931 is an equidigital number, since it uses as much as digits as its factorization.

100699931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 100699931 is about 10034.9355254531. The cubic root of 100699931 is about 465.2392971892.

The spelling of 100699931 in words is "one hundred million, six hundred ninety-nine thousand, nine hundred thirty-one".