1131320104110 has 144 divisors (see below), whose sum is σ = 3514144080096. Its totient is φ = 251598566016.

The previous prime is 1131320104069. The next prime is 1131320104133. The reversal of 1131320104110 is 114010231311.

It is a happy number.

1131320104110 is a `hidden beast` number, since 1 + 131 + 320 + 104 + 110 = 666.

It is a super-2 number, since 2×1131320104110² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3303522 + ... + 3629861.

It is an arithmetic number, because the mean of its divisors is an integer number (24403778334).

Almost surely, 2^{1131320104110} is an apocalyptic number.

1131320104110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131320104110 is an abundant number, since it is smaller than the sum of its proper divisors (2382823975986).

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

1131320104110 is a wasteful number, since it uses less digits than its factorization.

1131320104110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933447 (or 6933437 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1131320104110 its reverse (114010231311), we get a palindrome (1245330335421).

The spelling of 1131320104110 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, one hundred four thousand, one hundred ten".