100545131 has 8 divisors (see below), whose sum is σ = 106002000. Its totient is φ = 95104800.

The previous prime is 100545119. The next prime is 100545209. The reversal of 100545131 is 131545001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100545131 - 2²² = 96350827 is a prime.

It is a super-2 number, since 2×100545131² = 20218646735614322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100545101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9545 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (13250250).

Almost surely, 2^100545131 is an apocalyptic number.

100545131 is a deficient number, since it is larger than the sum of its proper divisors (5456869).

100545131 is an equidigital number, since it uses as much as digits as its factorization.

100545131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 100545131 is about 10027.2195049276. The cubic root of 100545131 is about 465.0007800503. Note that the first 3 decimals are identical.

The spelling of 100545131 in words is "one hundred million, five hundred forty-five thousand, one hundred thirty-one".