401831713 has 4 divisors (see below), whose sum is σ = 408642480. Its totient is φ = 395020948.

The previous prime is 401831711. The next prime is 401831719. The reversal of 401831713 is 317138104.

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 a cyclic number.

It is not a de Polignac number, because 401831713 - 2¹ = 401831711 is a prime.

It is a super-2 number, since 2×401831713² = 322937451145028738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401831711) 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, 3405295 + ... + 3405412.

It is an arithmetic number, because the mean of its divisors is an integer number (102160620).

Almost surely, 2^401831713 is an apocalyptic number.

It is an amenable number.

401831713 is a deficient number, since it is larger than the sum of its proper divisors (6810767).

401831713 is an equidigital number, since it uses as much as digits as its factorization.

401831713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810766.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 401831713 is about 20045.7405201205. The cubic root of 401831713 is about 737.9292687357.

Adding to 401831713 its reverse (317138104), we get a palindrome (718969817).

The spelling of 401831713 in words is "four hundred one million, eight hundred thirty-one thousand, seven hundred thirteen".