401243430213313 has 8 divisors (see below), whose sum is σ = 401606188723080. Its totient is φ = 400880817192960.

The previous prime is 401243430213289. The next prime is 401243430213337. The reversal of 401243430213313 is 313312034342104.

It is an interprime number because it is at equal distance from previous prime (401243430213289) and next prime (401243430213337).

It can be written as a sum of positive squares in 4 ways, for example, as 128774757904 + 401114655455409 = 358852^2 + 20027847^2 .

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 401243430213313 - 2¹⁷ = 401243430082241 is a prime.

It is a super-2 number, since 2×401243430213313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401243430273313) 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, 30853708 + ... + 41886013.

It is an arithmetic number, because the mean of its divisors is an integer number (50200773590385).

Almost surely, 2^{401243430213313} is an apocalyptic number.

It is an amenable number.

401243430213313 is a deficient number, since it is larger than the sum of its proper divisors (362758509767).

401243430213313 is a wasteful number, since it uses less digits than its factorization.

401243430213313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72744707.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 401243430213313 its reverse (313312034342104), we get a palindrome (714555464555417).

The spelling of 401243430213313 in words is "four hundred one trillion, two hundred forty-three billion, four hundred thirty million, two hundred thirteen thousand, three hundred thirteen".