1431020242432 has 40 divisors (see below), whose sum is σ = 3119176946952. Its totient is φ = 650463744000.

The previous prime is 1431020242417. The next prime is 1431020242439. The reversal of 1431020242432 is 2342420201341.

It is a self number, because there is not a number n which added to its sum of digits gives 1431020242432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431020242439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127038069 + ... + 127049332.

Almost surely, 2^{1431020242432} is an apocalyptic number.

It is an amenable number.

1431020242432 is an abundant number, since it is smaller than the sum of its proper divisors (1688156704520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431020242432 is an equidigital number, since it uses as much as digits as its factorization.

1431020242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254087430 (or 254087414 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1431020242432 its reverse (2342420201341), we get a palindrome (3773440443773).

The spelling of 1431020242432 in words is "one trillion, four hundred thirty-one billion, twenty million, two hundred forty-two thousand, four hundred thirty-two".