1311320111130 has 96 divisors (see below), whose sum is σ = 3420792648000. Its totient is φ = 348521792256.

The previous prime is 1311320111077. The next prime is 1311320111141. The reversal of 1311320111130 is 311110231131.

1311320111130 is a `hidden beast` number, since 1 + 311 + 320 + 1 + 1 + 1 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 41352021 + ... + 41383719.

It is an arithmetic number, because the mean of its divisors is an integer number (35633256750).

Almost surely, 2^{1311320111130} is an apocalyptic number.

1311320111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311320111130 is an abundant number, since it is smaller than the sum of its proper divisors (2109472536870).

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

1311320111130 is a wasteful number, since it uses less digits than its factorization.

1311320111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33228 (or 33225 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1311320111130 its reverse (311110231131), we get a palindrome (1622430342261).

The spelling of 1311320111130 in words is "one trillion, three hundred eleven billion, three hundred twenty million, one hundred eleven thousand, one hundred thirty".