401342202243311 has 6 divisors (see below), whose sum is σ = 466867459752480. Its totient is φ = 344007601922796.

The previous prime is 401342202243299. The next prime is 401342202243343. The reversal of 401342202243311 is 113342202243104.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-401342202243311 is a prime.

It is a super-2 number, since 2×401342202243311² (a number of 30 digits) 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 (401342202243361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4095328594271 + ... + 4095328594368.

It is an arithmetic number, because the mean of its divisors is an integer number (77811243292080).

Almost surely, 2^{401342202243311} is an apocalyptic number.

401342202243311 is a deficient number, since it is larger than the sum of its proper divisors (65525257509169).

401342202243311 is an equidigital number, since it uses as much as digits as its factorization.

401342202243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190657188653 (or 8190657188646 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 401342202243311 its reverse (113342202243104), we get a palindrome (514684404486415).

The spelling of 401342202243311 in words is "four hundred one trillion, three hundred forty-two billion, two hundred two million, two hundred forty-three thousand, three hundred eleven".