431542331311 has 48 divisors (see below), whose sum is σ = 559606855680. Its totient is φ = 325223458560.

The previous prime is 431542331303. The next prime is 431542331333. The reversal of 431542331311 is 113133245134.

It is not a de Polignac number, because 431542331311 - 2³ = 431542331303 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 (431542331411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6469771 + ... + 6536131.

It is an arithmetic number, because the mean of its divisors is an integer number (11658476160).

Almost surely, 2^431542331311 is an apocalyptic number.

431542331311 is a deficient number, since it is larger than the sum of its proper divisors (128064524369).

431542331311 is a wasteful number, since it uses less digits than its factorization.

431542331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66656 (or 66643 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

Adding to 431542331311 its reverse (113133245134), we get a palindrome (544675576445).

The spelling of 431542331311 in words is "four hundred thirty-one billion, five hundred forty-two million, three hundred thirty-one thousand, three hundred eleven".