1311134043 has 16 divisors (see below), whose sum is σ = 1792014336. Its totient is φ = 852310080.

The previous prime is 1311134017. The next prime is 1311134047. The reversal of 1311134043 is 3404311131.

It is not a de Polignac number, because 1311134043 - 2⁶ = 1311133979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311134047) 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, 21055 + ... + 55367.

It is an arithmetic number, because the mean of its divisors is an integer number (112000896).

Almost surely, 2^1311134043 is an apocalyptic number.

1311134043 is a deficient number, since it is larger than the sum of its proper divisors (480880293).

1311134043 is a wasteful number, since it uses less digits than its factorization.

1311134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34634.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1311134043 is about 36209.5849603389. The cubic root of 1311134043 is about 1094.4998286976.

Adding to 1311134043 its reverse (3404311131), we get a palindrome (4715445174).

The spelling of 1311134043 in words is "one billion, three hundred eleven million, one hundred thirty-four thousand, forty-three".