431000143442444 has 6 divisors (see below), whose sum is σ = 754250251024284. Its totient is φ = 215500071721220.

The previous prime is 431000143442441. The next prime is 431000143442507. The reversal of 431000143442444 is 444244341000134.

It is a super-2 number, since 2×431000143442444² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431000143442398 and 431000143442407.

It is not an unprimeable number, because it can be changed into a prime (431000143442441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53875017930302 + ... + 53875017930309.

It is an arithmetic number, because the mean of its divisors is an integer number (125708375170714).

Almost surely, 2^{431000143442444} is an apocalyptic number.

It is an amenable number.

431000143442444 is a deficient number, since it is larger than the sum of its proper divisors (323250107581840).

431000143442444 is a wasteful number, since it uses less digits than its factorization.

431000143442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107750035860615 (or 107750035860613 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 431000143442444 its reverse (444244341000134), we get a palindrome (875244484442578).

The spelling of 431000143442444 in words is "four hundred thirty-one trillion, one hundred forty-three million, four hundred forty-two thousand, four hundred forty-four".