1311115034 has 4 divisors (see below), whose sum is σ = 1966672554. Its totient is φ = 655557516.

The previous prime is 1311115033. The next prime is 1311115063. The reversal of 1311115034 is 4305111131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4305111131 = 49463 ⋅87037.

It can be written as a sum of positive squares in only one way, i.e., 1015378225 + 295736809 = 31865^2 + 17197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311114997 and 1311115015.

It is not an unprimeable number, because it can be changed into a prime (1311115033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327778757 + ... + 327778760.

Almost surely, 2^1311115034 is an apocalyptic number.

1311115034 is a deficient number, since it is larger than the sum of its proper divisors (655557520).

1311115034 is an equidigital number, since it uses as much as digits as its factorization.

1311115034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655557519.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1311115034 is about 36209.3224736393. The cubic root of 1311115034 is about 1094.4945392695.

Adding to 1311115034 its reverse (4305111131), we get a palindrome (5616226165).

The spelling of 1311115034 in words is "one billion, three hundred eleven million, one hundred fifteen thousand, thirty-four".