331345005 has 8 divisors (see below), whose sum is σ = 530152032. Its totient is φ = 176717328.

The previous prime is 331344983. The next prime is 331345033. The reversal of 331345005 is 500543133.

It is a happy number.

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

It is not a de Polignac number, because 331345005 - 2⁶ = 331344941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11044819 + ... + 11044848.

It is an arithmetic number, because the mean of its divisors is an integer number (66269004).

Almost surely, 2^331345005 is an apocalyptic number.

It is an amenable number.

331345005 is a deficient number, since it is larger than the sum of its proper divisors (198807027).

331345005 is a wasteful number, since it uses less digits than its factorization.

331345005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22089675.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 331345005 is about 18202.8845241626. The cubic root of 331345005 is about 691.9798941946.

Adding to 331345005 its reverse (500543133), we get a palindrome (831888138).

The spelling of 331345005 in words is "three hundred thirty-one million, three hundred forty-five thousand, five".