1042431031432 has 64 divisors (see below), whose sum is σ = 2357212867200. Its totient is φ = 422187033600.

The previous prime is 1042431031427. The next prime is 1042431031441. The reversal of 1042431031432 is 2341301342401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1042431031432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794943 + ... + 1648270.

It is an arithmetic number, because the mean of its divisors is an integer number (36831451050).

Almost surely, 2^{1042431031432} is an apocalyptic number.

It is an amenable number.

1042431031432 is an abundant number, since it is smaller than the sum of its proper divisors (1314781835768).

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

1042431031432 is a wasteful number, since it uses less digits than its factorization.

1042431031432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443646 (or 2443642 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1042431031432 its reverse (2341301342401), we get a palindrome (3383732373833).

The spelling of 1042431031432 in words is "one trillion, forty-two billion, four hundred thirty-one million, thirty-one thousand, four hundred thirty-two".