1143034431 has 16 divisors (see below), whose sum is σ = 1900109568. Its totient is φ = 593784000.

The previous prime is 1143034351. The next prime is 1143034441. The reversal of 1143034431 is 1344303411.

It is not a de Polignac number, because 1143034431 - 2¹⁵ = 1143001663 is a prime.

It is a super-2 number, since 2×1143034431² = 2613055420902987522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143034441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473870 + ... + 2474331.

It is an arithmetic number, because the mean of its divisors is an integer number (118756848).

Almost surely, 2^1143034431 is an apocalyptic number.

1143034431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143034431 is a deficient number, since it is larger than the sum of its proper divisors (757075137).

1143034431 is a wasteful number, since it uses less digits than its factorization.

1143034431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948222.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143034431 is about 33808.7922144521. The cubic root of 1143034431 is about 1045.5699769803.

Adding to 1143034431 its reverse (1344303411), we get a palindrome (2487337842).

The spelling of 1143034431 in words is "one billion, one hundred forty-three million, thirty-four thousand, four hundred thirty-one".