1131314443 has 8 divisors (see below), whose sum is σ = 1293137888. Its totient is φ = 969542784.

The previous prime is 1131314441. The next prime is 1131314449. The reversal of 1131314443 is 3444131311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131314443 - 2¹ = 1131314441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131314441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65905 + ... + 81277.

It is an arithmetic number, because the mean of its divisors is an integer number (161642236).

Almost surely, 2^1131314443 is an apocalyptic number.

1131314443 is a deficient number, since it is larger than the sum of its proper divisors (161823445).

1131314443 is a wasteful number, since it uses less digits than its factorization.

1131314443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25893.

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

The square root of 1131314443 is about 33635.0181061346. The cubic root of 1131314443 is about 1041.9841445637.

Adding to 1131314443 its reverse (3444131311), we get a palindrome (4575445754).

The spelling of 1131314443 in words is "one billion, one hundred thirty-one million, three hundred fourteen thousand, four hundred forty-three".