1142311033 has 16 divisors (see below), whose sum is σ = 1193472000. Its totient is φ = 1092133440.

The previous prime is 1142311019. The next prime is 1142311063. The reversal of 1142311033 is 3301132411.

It is a cyclic number.

It is not a de Polignac number, because 1142311033 - 2²⁵ = 1108756601 is a prime.

It is a super-2 number, since 2×1142311033² = 2609748992227054178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142311033.

It is not an unprimeable number, because it can be changed into a prime (1142311003) 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, 1029483 + ... + 1030591.

It is an arithmetic number, because the mean of its divisors is an integer number (74592000).

Almost surely, 2^1142311033 is an apocalyptic number.

It is an amenable number.

1142311033 is a deficient number, since it is larger than the sum of its proper divisors (51160967).

1142311033 is a wasteful number, since it uses less digits than its factorization.

1142311033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1142311033 is about 33798.0921502975. The cubic root of 1142311033 is about 1045.3493587070.

Adding to 1142311033 its reverse (3301132411), we get a palindrome (4443443444).

The spelling of 1142311033 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, thirty-three".