402431011343 has 8 divisors (see below), whose sum is σ = 409223229360. Its totient is φ = 395695160640.

The previous prime is 402431011289. The next prime is 402431011351. The reversal of 402431011343 is 343110134204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402431011343 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 (402431011363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14077430 + ... + 14105987.

It is an arithmetic number, because the mean of its divisors is an integer number (51152903670).

Almost surely, 2^402431011343 is an apocalyptic number.

402431011343 is a deficient number, since it is larger than the sum of its proper divisors (6792218017).

402431011343 is a wasteful number, since it uses less digits than its factorization.

402431011343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28183657.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 402431011343 its reverse (343110134204), we get a palindrome (745541145547).

The spelling of 402431011343 in words is "four hundred two billion, four hundred thirty-one million, eleven thousand, three hundred forty-three".