1143331330 has 32 divisors (see below), whose sum is σ = 2110727808. Its totient is φ = 445641600.

The previous prime is 1143331303. The next prime is 1143331331. The reversal of 1143331330 is 331333411.

It is not an unprimeable number, because it can be changed into a prime (1143331331) 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, 623515 + ... + 625345.

It is an arithmetic number, because the mean of its divisors is an integer number (65960244).

Almost surely, 2^1143331330 is an apocalyptic number.

1143331330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143331330 is a deficient number, since it is larger than the sum of its proper divisors (967396478).

1143331330 is a wasteful number, since it uses less digits than its factorization.

1143331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1143331330 is about 33813.1827842337. The cubic root of 1143331330 is about 1045.6604967985.

Adding to 1143331330 its reverse (331333411), we get a palindrome (1474664741).

The spelling of 1143331330 in words is "one billion, one hundred forty-three million, three hundred thirty-one thousand, three hundred thirty".