100531141 has 4 divisors (see below), whose sum is σ = 100858912. Its totient is φ = 100203372.

The previous prime is 100531127. The next prime is 100531153. The reversal of 100531141 is 141135001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100531141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100531441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163425 + ... + 164038.

It is an arithmetic number, because the mean of its divisors is an integer number (25214728).

Almost surely, 2^100531141 is an apocalyptic number.

It is an amenable number.

100531141 is a deficient number, since it is larger than the sum of its proper divisors (327771).

100531141 is an equidigital number, since it uses as much as digits as its factorization.

100531141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327770.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 100531141 is about 10026.5218794954. The cubic root of 100531141 is about 464.9792120818.

Adding to 100531141 its reverse (141135001), we get a palindrome (241666142).

The spelling of 100531141 in words is "one hundred million, five hundred thirty-one thousand, one hundred forty-one".