100380131 has 2 divisors, whose sum is σ = 100380132. Its totient is φ = 100380130.

The previous prime is 100380079. The next prime is 100380143. The reversal of 100380131 is 131083001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100380131 - 2⁶ = 100380067 is a prime.

It is a super-2 number, since 2×100380131² = 20152341399154322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100380031) 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, 50190065 + 50190066.

It is an arithmetic number, because the mean of its divisors is an integer number (50190066).

Almost surely, 2^100380131 is an apocalyptic number.

100380131 is a deficient number, since it is larger than the sum of its proper divisors (1).

100380131 is an equidigital number, since it uses as much as digits as its factorization.

100380131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 100380131 is about 10018.9885218020. The cubic root of 100380131 is about 464.7462769687.

The spelling of 100380131 in words is "one hundred million, three hundred eighty thousand, one hundred thirty-one".