401321113342 has 4 divisors (see below), whose sum is σ = 601981670016. Its totient is φ = 200660556670.

The previous prime is 401321113309. The next prime is 401321113421. The reversal of 401321113342 is 243311123104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401321113342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100330278334 + ... + 100330278337.

It is an arithmetic number, because the mean of its divisors is an integer number (150495417504).

Almost surely, 2^401321113342 is an apocalyptic number.

401321113342 is a deficient number, since it is larger than the sum of its proper divisors (200660556674).

401321113342 is a wasteful number, since it uses less digits than its factorization.

401321113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200660556673.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 401321113342 its reverse (243311123104), we get a palindrome (644632236446).

The spelling of 401321113342 in words is "four hundred one billion, three hundred twenty-one million, one hundred thirteen thousand, three hundred forty-two".