1143311434 has 32 divisors (see below), whose sum is σ = 1906882560. Its totient is φ = 511887600.

The previous prime is 1143311431. The next prime is 1143311437. The reversal of 1143311434 is 4341133411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143311431) and next prime (1143311437).

It is a super-2 number, since 2×1143311434² = 2614322070230272712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143311399 and 1143311408.

It is not an unprimeable number, because it can be changed into a prime (1143311431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39369 + ... + 61939.

It is an arithmetic number, because the mean of its divisors is an integer number (59590080).

Almost surely, 2^1143311434 is an apocalyptic number.

1143311434 is a deficient number, since it is larger than the sum of its proper divisors (763571126).

1143311434 is a wasteful number, since it uses less digits than its factorization.

1143311434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22666.

The product of its digits is 1728, while the sum is 25.

The square root of 1143311434 is about 33812.8885781739. Note that the first 3 decimals coincide. The cubic root of 1143311434 is about 1045.6544313121.

Adding to 1143311434 its reverse (4341133411), we get a palindrome (5484444845).

The spelling of 1143311434 in words is "one billion, one hundred forty-three million, three hundred eleven thousand, four hundred thirty-four".