1003431442 has 32 divisors (see below), whose sum is σ = 1704447360. Its totient is φ = 439570560.

The previous prime is 1003431421. The next prime is 1003431449. The reversal of 1003431442 is 2441343001.

It is not an unprimeable number, because it can be changed into a prime (1003431449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71934 + ... + 84742.

It is an arithmetic number, because the mean of its divisors is an integer number (53263980).

Almost surely, 2^1003431442 is an apocalyptic number.

1003431442 is a deficient number, since it is larger than the sum of its proper divisors (701015918).

1003431442 is a wasteful number, since it uses less digits than its factorization.

1003431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1003431442 is about 31676.9859993024. The cubic root of 1003431442 is about 1001.1425081779.

Adding to 1003431442 its reverse (2441343001), we get a palindrome (3444774443).

The spelling of 1003431442 in words is "one billion, three million, four hundred thirty-one thousand, four hundred forty-two".