103810818281 has 8 divisors (see below), whose sum is σ = 107425677000. Its totient is φ = 100198304640.

The previous prime is 103810818259. The next prime is 103810818383. The reversal of 103810818281 is 182818018301.

It can be written as a sum of positive squares in 4 ways, for example, as 19039584256 + 84771234025 = 137984^2 + 291155^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103810818281 - 2²⁶ = 103743709417 is a prime.

It is a super-2 number, since 2×103810818281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103810814281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495956 + ... + 673493.

It is an arithmetic number, because the mean of its divisors is an integer number (13428209625).

Almost surely, 2^103810818281 is an apocalyptic number.

It is an amenable number.

103810818281 is a deficient number, since it is larger than the sum of its proper divisors (3614858719).

103810818281 is a wasteful number, since it uses less digits than its factorization.

103810818281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172539.

The product of its (nonzero) digits is 24576, while the sum is 41.

The spelling of 103810818281 in words is "one hundred three billion, eight hundred ten million, eight hundred eighteen thousand, two hundred eighty-one".