431403244311 has 24 divisors (see below), whose sum is σ = 623136453456. Its totient is φ = 265358695680.

The previous prime is 431403244273. The next prime is 431403244333. The reversal of 431403244311 is 113442304134.

It is not a de Polignac number, because 431403244311 - 2¹⁵ = 431403211543 is a prime.

It is a super-2 number, since 2×431403244311² (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 (431403243311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934491 + ... + 1317603.

It is an arithmetic number, because the mean of its divisors is an integer number (25964018894).

Almost surely, 2^431403244311 is an apocalyptic number.

431403244311 is a deficient number, since it is larger than the sum of its proper divisors (191733209145).

431403244311 is a wasteful number, since it uses less digits than its factorization.

431403244311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385363 (or 385350 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 431403244311 its reverse (113442304134), we get a palindrome (544845548445).

The spelling of 431403244311 in words is "four hundred thirty-one billion, four hundred three million, two hundred forty-four thousand, three hundred eleven".