401033201321 has 4 divisors (see below), whose sum is σ = 424623389652. Its totient is φ = 377443012992.

The previous prime is 401033201297. The next prime is 401033201333. The reversal of 401033201321 is 123102330104.

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 290317293721 + 110715907600 = 538811^2 + 332740^2 .

It is not a de Polignac number, because 401033201321 - 2¹⁰ = 401033200297 is a prime.

It is a super-2 number, since 2×401033201321² (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 = 401033201293 and 401033201302.

It is not an unprimeable number, because it can be changed into a prime (401033204321) 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, 11795094140 + ... + 11795094173.

It is an arithmetic number, because the mean of its divisors is an integer number (106155847413).

Almost surely, 2^401033201321 is an apocalyptic number.

It is an amenable number.

401033201321 is a deficient number, since it is larger than the sum of its proper divisors (23590188331).

401033201321 is a wasteful number, since it uses less digits than its factorization.

401033201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23590188330.

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

Adding to 401033201321 its reverse (123102330104), we get a palindrome (524135531425).

The spelling of 401033201321 in words is "four hundred one billion, thirty-three million, two hundred one thousand, three hundred twenty-one".