331042161689 has 8 divisors (see below), whose sum is σ = 338864520192. Its totient is φ = 323225426160.

The previous prime is 331042161677. The next prime is 331042161691. The reversal of 331042161689 is 986161240133.

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 331042161689 - 2⁸ = 331042161433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331042161589) 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, 1286489 + ... + 1522214.

It is an arithmetic number, because the mean of its divisors is an integer number (42358065024).

Almost surely, 2^331042161689 is an apocalyptic number.

It is an amenable number.

331042161689 is a deficient number, since it is larger than the sum of its proper divisors (7822358503).

331042161689 is a wasteful number, since it uses less digits than its factorization.

331042161689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811487.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 331042161689 in words is "three hundred thirty-one billion, forty-two million, one hundred sixty-one thousand, six hundred eighty-nine".