1142433311 has 16 divisors (see below), whose sum is σ = 1222099200. Its totient is φ = 1064855808.

The previous prime is 1142433301. The next prime is 1142433323. The reversal of 1142433311 is 1133342411.

It is a cyclic number.

It is not a de Polignac number, because 1142433311 - 2⁶ = 1142433247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142433301) 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, 328166 + ... + 331628.

It is an arithmetic number, because the mean of its divisors is an integer number (76381200).

Almost surely, 2^1142433311 is an apocalyptic number.

1142433311 is a deficient number, since it is larger than the sum of its proper divisors (79665889).

1142433311 is a wasteful number, since it uses less digits than its factorization.

1142433311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758.

The product of its digits is 864, while the sum is 23.

The square root of 1142433311 is about 33799.9010501510. The cubic root of 1142433311 is about 1045.3866569747.

Adding to 1142433311 its reverse (1133342411), we get a palindrome (2275775722).

The spelling of 1142433311 in words is "one billion, one hundred forty-two million, four hundred thirty-three thousand, three hundred eleven".