401431341 has 4 divisors (see below), whose sum is σ = 535241792. Its totient is φ = 267620892.

The previous prime is 401431321. The next prime is 401431343. The reversal of 401431341 is 143134104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 401431341 - 2⁹ = 401430829 is a prime.

It is a super-2 number, since 2×401431341² = 322294243074116562, 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 (401431343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66905221 + ... + 66905226.

It is an arithmetic number, because the mean of its divisors is an integer number (133810448).

Almost surely, 2^401431341 is an apocalyptic number.

It is an amenable number.

401431341 is a deficient number, since it is larger than the sum of its proper divisors (133810451).

401431341 is a wasteful number, since it uses less digits than its factorization.

401431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133810450.

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

The square root of 401431341 is about 20035.7515706299. The cubic root of 401431341 is about 737.6841044159.

Adding to 401431341 its reverse (143134104), we get a palindrome (544565445).

The spelling of 401431341 in words is "four hundred one million, four hundred thirty-one thousand, three hundred forty-one".