103081481 has 4 divisors (see below), whose sum is σ = 105274752. Its totient is φ = 100888212.

The previous prime is 103081477. The next prime is 103081487. The reversal of 103081481 is 184180301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184180301 = 6247 ⋅29483.

It is a cyclic number.

It is not a de Polignac number, because 103081481 - 2² = 103081477 is a prime.

It is a super-2 number, since 2×103081481² = 21251583450306722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103081481.

It is not an unprimeable number, because it can be changed into a prime (103081487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096565 + ... + 1096658.

It is an arithmetic number, because the mean of its divisors is an integer number (26318688).

Almost surely, 2^103081481 is an apocalyptic number.

It is an amenable number.

103081481 is a deficient number, since it is larger than the sum of its proper divisors (2193271).

103081481 is an equidigital number, since it uses as much as digits as its factorization.

103081481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193270.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 103081481 is about 10152.9050522498. The cubic root of 103081481 is about 468.8783893409.

The spelling of 103081481 in words is "one hundred three million, eighty-one thousand, four hundred eighty-one".