103303505405 has 8 divisors (see below), whose sum is σ = 124446559032. Its totient is φ = 82321235968.

The previous prime is 103303505399. The next prime is 103303505407. The reversal of 103303505405 is 504505303301.

It can be written as a sum of positive squares in 4 ways, for example, as 43874329444 + 59429175961 = 209462^2 + 243781^2 .

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 103303505405 - 2¹² = 103303501309 is a prime.

It is a super-2 number, since 2×103303505405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303505407) 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, 40194632 + ... + 40197201.

It is an arithmetic number, because the mean of its divisors is an integer number (15555819879).

Almost surely, 2^103303505405 is an apocalyptic number.

It is an amenable number.

103303505405 is a deficient number, since it is larger than the sum of its proper divisors (21143053627).

103303505405 is an equidigital number, since it uses as much as digits as its factorization.

103303505405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80392095.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 103303505405 its reverse (504505303301), we get a palindrome (607808808706).

The spelling of 103303505405 in words is "one hundred three billion, three hundred three million, five hundred five thousand, four hundred five".