328121341 has 4 divisors (see below), whose sum is σ = 339435900. Its totient is φ = 316806784.

The previous prime is 328121323. The next prime is 328121351. The reversal of 328121341 is 143121823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 277056025 = 7146^2 + 16645^2 .

It is a cyclic number.

It is not a de Polignac number, because 328121341 - 2¹⁵ = 328088573 is a prime.

It is a super-2 number, since 2×328121341² = 215327228839276562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328121351) 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, 5657236 + ... + 5657293.

It is an arithmetic number, because the mean of its divisors is an integer number (84858975).

Almost surely, 2^328121341 is an apocalyptic number.

It is an amenable number.

328121341 is a deficient number, since it is larger than the sum of its proper divisors (11314559).

328121341 is a wasteful number, since it uses less digits than its factorization.

328121341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314558.

The product of its digits is 1152, while the sum is 25.

The square root of 328121341 is about 18114.1199344600. The cubic root of 328121341 is about 689.7284803007.

The spelling of 328121341 in words is "three hundred twenty-eight million, one hundred twenty-one thousand, three hundred forty-one".