401335333231 has 16 divisors (see below), whose sum is σ = 459154206720. Its totient is φ = 343637953920.

The previous prime is 401335333213. The next prime is 401335333241. The reversal of 401335333231 is 132333533104.

It is a cyclic number.

It is not a de Polignac number, because 401335333231 - 2⁷ = 401335333103 is a prime.

It is a super-2 number, since 2×401335333231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401335333193 and 401335333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401335333241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44386071 + ... + 44395111.

It is an arithmetic number, because the mean of its divisors is an integer number (28697137920).

Almost surely, 2^401335333231 is an apocalyptic number.

401335333231 is a deficient number, since it is larger than the sum of its proper divisors (57818873489).

401335333231 is a wasteful number, since it uses less digits than its factorization.

401335333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15054.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 401335333231 its reverse (132333533104), we get a palindrome (533668866335).

The spelling of 401335333231 in words is "four hundred one billion, three hundred thirty-five million, three hundred thirty-three thousand, two hundred thirty-one".