103443330321 has 6 divisors (see below), whose sum is σ = 149418143810. Its totient is φ = 68962220208.

The previous prime is 103443330293. The next prime is 103443330343. The reversal of 103443330321 is 123033344301.

103443330321 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 4 + 3 + 330 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70514147025 + 32929183296 = 265545^2 + 181464^2 .

It is not a de Polignac number, because 103443330321 - 2¹⁵ = 103443297553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103443335321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5746851676 + ... + 5746851693.

Almost surely, 2^103443330321 is an apocalyptic number.

It is an amenable number.

103443330321 is a deficient number, since it is larger than the sum of its proper divisors (45974813489).

103443330321 is a wasteful number, since it uses less digits than its factorization.

103443330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493703375 (or 11493703372 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 103443330321 its reverse (123033344301), we get a palindrome (226476674622).

The spelling of 103443330321 in words is "one hundred three billion, four hundred forty-three million, three hundred thirty thousand, three hundred twenty-one".