100940131 has 2 divisors, whose sum is σ = 100940132. Its totient is φ = 100940130.

The previous prime is 100940111. The next prime is 100940159. The reversal of 100940131 is 131049001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100940131 - 2¹¹ = 100938083 is a prime.

It is a super-2 number, since 2×100940131² = 20377820092594322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100940099 and 100940108.

It is not a weakly prime, because it can be changed into another prime (100940111) 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, 50470065 + 50470066.

It is an arithmetic number, because the mean of its divisors is an integer number (50470066).

Almost surely, 2^100940131 is an apocalyptic number.

100940131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100940131 is an equidigital number, since it uses as much as digits as its factorization.

100940131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100940131 is about 10046.8965855134. The cubic root of 100940131 is about 465.6089159257.

Adding to 100940131 its reverse (131049001), we get a palindrome (231989132).

The spelling of 100940131 in words is "one hundred million, nine hundred forty thousand, one hundred thirty-one".