331603168441 has 4 divisors (see below), whose sum is σ = 349055966800. Its totient is φ = 314150370084.

The previous prime is 331603168417. The next prime is 331603168447. The reversal of 331603168441 is 144861306133.

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: 144861306133 = 41911 ⋅3456403.

It is a cyclic number.

It is not a de Polignac number, because 331603168441 - 2¹⁷ = 331603037369 is a prime.

It is a super-2 number, since 2×331603168441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331603168394 and 331603168403.

It is not an unprimeable number, because it can be changed into a prime (331603168447) 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, 8726399151 + ... + 8726399188.

It is an arithmetic number, because the mean of its divisors is an integer number (87263991700).

Almost surely, 2^331603168441 is an apocalyptic number.

It is an amenable number.

331603168441 is a deficient number, since it is larger than the sum of its proper divisors (17452798359).

331603168441 is a wasteful number, since it uses less digits than its factorization.

331603168441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452798358.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 331603168441 in words is "three hundred thirty-one billion, six hundred three million, one hundred sixty-eight thousand, four hundred forty-one".