431342344 has 8 divisors (see below), whose sum is σ = 808766910. Its totient is φ = 215671168.

The previous prime is 431342341. The next prime is 431342363. The reversal of 431342344 is 443243134.

It can be written as a sum of positive squares in only one way, i.e., 367182244 + 64160100 = 19162^2 + 8010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (431342341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26958889 + ... + 26958904.

Almost surely, 2^431342344 is an apocalyptic number.

It is an amenable number.

431342344 is a deficient number, since it is larger than the sum of its proper divisors (377424566).

431342344 is a wasteful number, since it uses less digits than its factorization.

431342344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53917799 (or 53917795 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 431342344 is about 20768.7829205276. The cubic root of 431342344 is about 755.5688264810.

Adding to 431342344 its reverse (443243134), we get a palindrome (874585478).

The spelling of 431342344 in words is "four hundred thirty-one million, three hundred forty-two thousand, three hundred forty-four".