1143211314 has 32 divisors (see below), whose sum is σ = 2619048960. Its totient is φ = 325882512.

The previous prime is 1143211313. The next prime is 1143211337. The reversal of 1143211314 is 4131123411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1143211313) 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, 12564 + ... + 49439.

It is an arithmetic number, because the mean of its divisors is an integer number (81845280).

Almost surely, 2^1143211314 is an apocalyptic number.

1143211314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143211314 is an abundant number, since it is smaller than the sum of its proper divisors (1475837646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143211314 is a wasteful number, since it uses less digits than its factorization.

1143211314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62454.

The product of its digits is 288, while the sum is 21.

The square root of 1143211314 is about 33811.4080452146. The cubic root of 1143211314 is about 1045.6239077019.

Adding to 1143211314 its reverse (4131123411), we get a palindrome (5274334725).

The spelling of 1143211314 in words is "one billion, one hundred forty-three million, two hundred eleven thousand, three hundred fourteen".