100180131 has 4 divisors (see below), whose sum is σ = 133573512. Its totient is φ = 66786752.

The previous prime is 100180109. The next prime is 100180139. The reversal of 100180131 is 131081001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131081001 = 3 ⋅43693667.

It is a cyclic number.

It is not a de Polignac number, because 100180131 - 2⁹ = 100179619 is a prime.

It is a super-2 number, since 2×100180131² = 20072117294354322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100180131.

It is not an unprimeable number, because it can be changed into a prime (100180139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16696686 + ... + 16696691.

It is an arithmetic number, because the mean of its divisors is an integer number (33393378).

Almost surely, 2^100180131 is an apocalyptic number.

100180131 is a deficient number, since it is larger than the sum of its proper divisors (33393381).

100180131 is an equidigital number, since it uses as much as digits as its factorization.

100180131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33393380.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 100180131 is about 10009.0024977517. The cubic root of 100180131 is about 464.4374142008.

The spelling of 100180131 in words is "one hundred million, one hundred eighty thousand, one hundred thirty-one".