103141581 has 4 divisors (see below), whose sum is σ = 137522112. Its totient is φ = 68761052.

The previous prime is 103141573. The next prime is 103141613. The reversal of 103141581 is 185141301.

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 not a de Polignac number, because 103141581 - 2³ = 103141573 is a prime.

It is a super-2 number, since 2×103141581² = 21276371462359122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103141561) 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, 17190261 + ... + 17190266.

It is an arithmetic number, because the mean of its divisors is an integer number (34380528).

Almost surely, 2^103141581 is an apocalyptic number.

It is an amenable number.

103141581 is a deficient number, since it is larger than the sum of its proper divisors (34380531).

103141581 is an equidigital number, since it uses as much as digits as its factorization.

103141581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34380530.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 103141581 is about 10155.8643649864. The cubic root of 103141581 is about 468.9694956391.

Adding to 103141581 its reverse (185141301), we get a palindrome (288282882).

The spelling of 103141581 in words is "one hundred three million, one hundred forty-one thousand, five hundred eighty-one".