331040341 has 4 divisors (see below), whose sum is σ = 331218400. Its totient is φ = 330862284.

The previous prime is 331040329. The next prime is 331040383. The reversal of 331040341 is 143040133.

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.

It is a cyclic number.

It is not a de Polignac number, because 331040341 - 2⁹ = 331039829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331040641) 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, 86211 + ... + 89968.

It is an arithmetic number, because the mean of its divisors is an integer number (82804600).

Almost surely, 2^331040341 is an apocalyptic number.

It is an amenable number.

331040341 is a deficient number, since it is larger than the sum of its proper divisors (178059).

331040341 is a wasteful number, since it uses less digits than its factorization.

331040341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178058.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331040341 is about 18194.5140358296. The cubic root of 331040341 is about 691.7677427035.

Adding to 331040341 its reverse (143040133), we get a palindrome (474080474).

The spelling of 331040341 in words is "three hundred thirty-one million, forty thousand, three hundred forty-one".