1431043442 has 16 divisors (see below), whose sum is σ = 2282771160. Its totient is φ = 670487808.

The previous prime is 1431043429. The next prime is 1431043457. The reversal of 1431043442 is 2443401341.

It can be written as a sum of positive squares in 4 ways, for example, as 1431033241 + 10201 = 37829^2 + 101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84113 + ... + 99684.

Almost surely, 2^1431043442 is an apocalyptic number.

1431043442 is a deficient number, since it is larger than the sum of its proper divisors (851727718).

1431043442 is a wasteful number, since it uses less digits than its factorization.

1431043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184045.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1431043442 is about 37829.1348301808. The cubic root of 1431043442 is about 1126.8971294050.

Adding to 1431043442 its reverse (2443401341), we get a palindrome (3874444783).

The spelling of 1431043442 in words is "one billion, four hundred thirty-one million, forty-three thousand, four hundred forty-two".