401113213 has 4 divisors (see below), whose sum is σ = 402230880. Its totient is φ = 399995548.

The previous prime is 401113201. The next prime is 401113217. The reversal of 401113213 is 312311104.

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 a de Polignac number, because none of the positive numbers 2^k-401113213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401113217) 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, 558295 + ... + 559012.

It is an arithmetic number, because the mean of its divisors is an integer number (100557720).

Almost surely, 2^401113213 is an apocalyptic number.

It is an amenable number.

401113213 is a deficient number, since it is larger than the sum of its proper divisors (1117667).

401113213 is a wasteful number, since it uses less digits than its factorization.

401113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117666.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401113213 is about 20027.8109887227. The cubic root of 401113213 is about 737.4891852479.

Adding to 401113213 its reverse (312311104), we get a palindrome (713424317).

The spelling of 401113213 in words is "four hundred one million, one hundred thirteen thousand, two hundred thirteen".