1311311110 has 16 divisors (see below), whose sum is σ = 2362103856. Its totient is φ = 524136928.

The previous prime is 1311311081. The next prime is 1311311143. The reversal of 1311311110 is 111131131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34024 + ... + 61483.

It is an arithmetic number, because the mean of its divisors is an integer number (147631491).

Almost surely, 2^1311311110 is an apocalyptic number.

1311311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311311110 is a deficient number, since it is larger than the sum of its proper divisors (1050792746).

1311311110 is a wasteful number, since it uses less digits than its factorization.

1311311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96887.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1311311110 is about 36212.0299072007. The cubic root of 1311311110 is about 1094.5490967539.

Adding to 1311311110 its reverse (111131131), we get a palindrome (1422442241).

The spelling of 1311311110 in words is "one billion, three hundred eleven million, three hundred eleven thousand, one hundred ten".