401311405143 has 18 divisors (see below), whose sum is σ = 637160166552. Its totient is φ = 243219032760.

The previous prime is 401311405139. The next prime is 401311405163. The reversal of 401311405143 is 341504113104.

401311405143 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 1 + 140 + 514 + 3 = 666.

It is not a de Polignac number, because 401311405143 - 2² = 401311405139 is a prime.

It is a super-2 number, since 2×401311405143² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311405123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 184255755 + ... + 184257932.

Almost surely, 2^401311405143 is an apocalyptic number.

401311405143 is a deficient number, since it is larger than the sum of its proper divisors (235848761409).

401311405143 is a wasteful number, since it uses less digits than its factorization.

401311405143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368513715 (or 368513701 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 401311405143 its reverse (341504113104), we get a palindrome (742815518247).

The spelling of 401311405143 in words is "four hundred one billion, three hundred eleven million, four hundred five thousand, one hundred forty-three".