401130013 has 4 divisors (see below), whose sum is σ = 401200380. Its totient is φ = 401059648.

The previous prime is 401129941. The next prime is 401130077. The reversal of 401130013 is 310031104.

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 397882809 + 3247204 = 19947^2 + 1802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401130013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401129975 and 401130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401130713) 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, 25798 + ... + 38311.

It is an arithmetic number, because the mean of its divisors is an integer number (100300095).

Almost surely, 2^401130013 is an apocalyptic number.

It is an amenable number.

401130013 is a deficient number, since it is larger than the sum of its proper divisors (70367).

401130013 is an equidigital number, since it uses as much as digits as its factorization.

401130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70366.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 401130013 is about 20028.2304011113. The cubic root of 401130013 is about 737.4994812981.

Adding to 401130013 its reverse (310031104), we get a palindrome (711161117).

The spelling of 401130013 in words is "four hundred one million, one hundred thirty thousand, thirteen".