103581231 has 8 divisors (see below), whose sum is σ = 148732080. Its totient is φ = 63742272.

The previous prime is 103581209. The next prime is 103581253. The reversal of 103581231 is 132185301.

It is an interprime number because it is at equal distance from previous prime (103581209) and next prime (103581253).

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

It is not a de Polignac number, because 103581231 - 2¹¹ = 103579183 is a prime.

It is a super-3 number, since 3×103581231³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103581031) 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 7 ways as a sum of consecutive naturals, for example, 1327926 + ... + 1328003.

It is an arithmetic number, because the mean of its divisors is an integer number (18591510).

Almost surely, 2^103581231 is an apocalyptic number.

103581231 is a deficient number, since it is larger than the sum of its proper divisors (45150849).

103581231 is a wasteful number, since it uses less digits than its factorization.

103581231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655945.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 103581231 is about 10177.4864775150. The cubic root of 103581231 is about 469.6348922446.

The spelling of 103581231 in words is "one hundred three million, five hundred eighty-one thousand, two hundred thirty-one".