1143211330 has 32 divisors (see below), whose sum is σ = 2110515264. Its totient is φ = 445615296.

The previous prime is 1143211313. The next prime is 1143211337. The reversal of 1143211330 is 331123411.

It is a junction number, because it is equal to n+sod(n) for n = 1143211298 and 1143211307.

It is not an unprimeable number, because it can be changed into a prime (1143211337) 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, 197964 + ... + 203656.

It is an arithmetic number, because the mean of its divisors is an integer number (65953602).

Almost surely, 2^1143211330 is an apocalyptic number.

1143211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143211330 is a deficient number, since it is larger than the sum of its proper divisors (967303934).

1143211330 is a wasteful number, since it uses less digits than its factorization.

1143211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210.

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

The square root of 1143211330 is about 33811.4082818211. The cubic root of 1143211330 is about 1045.6239125800.

Adding to 1143211330 its reverse (331123411), we get a palindrome (1474334741).

The spelling of 1143211330 in words is "one billion, one hundred forty-three million, two hundred eleven thousand, three hundred thirty".