401344131 has 8 divisors (see below), whose sum is σ = 537423120. Its totient is φ = 266413952.

The previous prime is 401344129. The next prime is 401344147. The reversal of 401344131 is 131443104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401344131 - 2¹ = 401344129 is a prime.

It is a super-2 number, since 2×401344131² = 322154222976290322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401344098 and 401344107.

It is not an unprimeable number, because it can be changed into a prime (401344171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286386 + ... + 287783.

It is an arithmetic number, because the mean of its divisors is an integer number (67177890).

Almost surely, 2^401344131 is an apocalyptic number.

401344131 is a deficient number, since it is larger than the sum of its proper divisors (136078989).

401344131 is a wasteful number, since it uses less digits than its factorization.

401344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574405.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 401344131 is about 20033.5750928285. The cubic root of 401344131 is about 737.6306805104.

Adding to 401344131 its reverse (131443104), we get a palindrome (532787235).

The spelling of 401344131 in words is "four hundred one million, three hundred forty-four thousand, one hundred thirty-one".