1142431003 has 16 divisors (see below), whose sum is σ = 1367885824. Its totient is φ = 933482880.

The previous prime is 1142430893. The next prime is 1142431013. The reversal of 1142431003 is 3001342411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142431003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142431013) 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, 24750 + ... + 53827.

It is an arithmetic number, because the mean of its divisors is an integer number (85492864).

Almost surely, 2^1142431003 is an apocalyptic number.

1142431003 is a deficient number, since it is larger than the sum of its proper divisors (225454821).

1142431003 is an equidigital number, since it uses as much as digits as its factorization.

1142431003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78682.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1142431003 is about 33799.8669080220. The cubic root of 1142431003 is about 1045.3859529937.

Adding to 1142431003 its reverse (3001342411), we get a palindrome (4143773414).

The spelling of 1142431003 in words is "one billion, one hundred forty-two million, four hundred thirty-one thousand, three".