431354404051 has 4 divisors (see below), whose sum is σ = 431357798032. Its totient is φ = 431351010072.

The previous prime is 431354404027. The next prime is 431354404057. The reversal of 431354404051 is 150404453134.

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

It is a cyclic number.

It is not a de Polignac number, because 431354404051 - 2⁹ = 431354403539 is a prime.

It is a super-3 number, since 3×431354404051³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431354403998 and 431354404016.

It is not an unprimeable number, because it can be changed into a prime (431354404057) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1498620 + ... + 1763113.

It is an arithmetic number, because the mean of its divisors is an integer number (107839449508).

Almost surely, 2^431354404051 is an apocalyptic number.

431354404051 is a deficient number, since it is larger than the sum of its proper divisors (3393981).

431354404051 is a wasteful number, since it uses less digits than its factorization.

431354404051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393980.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 431354404051 its reverse (150404453134), we get a palindrome (581758857185).

The spelling of 431354404051 in words is "four hundred thirty-one billion, three hundred fifty-four million, four hundred four thousand, fifty-one".