1431655324324 has 27 divisors (see below), whose sum is σ = 2565201235233. Its totient is φ = 699130253472.

The previous prime is 1431655324321. The next prime is 1431655324331. The reversal of 1431655324324 is 4234235561341.

The square root of 1431655324324 is 1196518.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 923617102500 + 508038221824 = 961050^2 + 712768^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431655324321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 102893592 + ... + 102907504.

Almost surely, 2^{1431655324324} is an apocalyptic number.

1431655324324 is the 1196518-th square number.

It is an amenable number.

1431655324324 is a deficient number, since it is larger than the sum of its proper divisors (1133545910909).

1431655324324 is an frugal number, since it uses more digits than its factorization.

1431655324324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27916 (or 13958 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

The spelling of 1431655324324 in words is "one trillion, four hundred thirty-one billion, six hundred fifty-five million, three hundred twenty-four thousand, three hundred twenty-four".