1142311003 has 2 divisors, whose sum is σ = 1142311004. Its totient is φ = 1142311002.

The previous prime is 1142310997. The next prime is 1142311019. The reversal of 1142311003 is 3001132411.

It is an a-pointer prime, because the next prime (1142311019) can be obtained adding 1142311003 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142311003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142311063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571155501 + 571155502.

It is an arithmetic number, because the mean of its divisors is an integer number (571155502).

Almost surely, 2^1142311003 is an apocalyptic number.

1142311003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142311003 is an equidigital number, since it uses as much as digits as its factorization.

1142311003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1142311003 is about 33798.0917064854. The cubic root of 1142311003 is about 1045.3493495558.

Adding to 1142311003 its reverse (3001132411), we get a palindrome (4143443414).

The spelling of 1142311003 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, three".