401341331 has 4 divisors (see below), whose sum is σ = 412188432. Its totient is φ = 390494232.

The previous prime is 401341327. The next prime is 401341349. The reversal of 401341331 is 133143104.

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

It is a cyclic number.

It is not a de Polignac number, because 401341331 - 2² = 401341327 is a prime.

It is a super-2 number, since 2×401341331² = 322149727937703122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401341301) 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, 5423495 + ... + 5423568.

It is an arithmetic number, because the mean of its divisors is an integer number (103047108).

Almost surely, 2^401341331 is an apocalyptic number.

401341331 is a deficient number, since it is larger than the sum of its proper divisors (10847101).

401341331 is a wasteful number, since it uses less digits than its factorization.

401341331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847100.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 401341331 is about 20033.5052100225. The cubic root of 401341331 is about 737.6289651323.

Adding to 401341331 its reverse (133143104), we get a palindrome (534484435).

The spelling of 401341331 in words is "four hundred one million, three hundred forty-one thousand, three hundred thirty-one".