1042431312 has 40 divisors (see below), whose sum is σ = 2900099104. Its totient is φ = 320747904.

The previous prime is 1042431289. The next prime is 1042431317. The reversal of 1042431312 is 2131342401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042431317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834658 + ... + 835905.

Almost surely, 2^1042431312 is an apocalyptic number.

1042431312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042431312 is an abundant number, since it is smaller than the sum of its proper divisors (1857667792).

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

1042431312 is a wasteful number, since it uses less digits than its factorization.

1042431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670587 (or 1670581 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1042431312 is about 32286.7048798728. The cubic root of 1042431312 is about 1013.9483107217.

Adding to 1042431312 its reverse (2131342401), we get a palindrome (3173773713).

The spelling of 1042431312 in words is "one billion, forty-two million, four hundred thirty-one thousand, three hundred twelve".