103943481 has 4 divisors (see below), whose sum is σ = 138591312. Its totient is φ = 69295652.

The previous prime is 103943467. The next prime is 103943507. The reversal of 103943481 is 184349301.

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 103943481 - 2⁵ = 103943449 is a prime.

It is a super-2 number, since 2×103943481² = 21608494484794722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103943401) 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, 17323911 + ... + 17323916.

It is an arithmetic number, because the mean of its divisors is an integer number (34647828).

Almost surely, 2^103943481 is an apocalyptic number.

It is an amenable number.

103943481 is a deficient number, since it is larger than the sum of its proper divisors (34647831).

103943481 is an equidigital number, since it uses as much as digits as its factorization.

103943481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34647830.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 103943481 is about 10195.2675786367. The cubic root of 103943481 is about 470.1817329502.

The spelling of 103943481 in words is "one hundred three million, nine hundred forty-three thousand, four hundred eighty-one".