1130320231344 has 160 divisors (see below), whose sum is σ = 3322152725760. Its totient is φ = 367760397312.

The previous prime is 1130320231343. The next prime is 1130320231351. The reversal of 1130320231344 is 4431320230311.

It is a happy number.

1130320231344 is a `hidden beast` number, since 1 + 1 + 303 + 2 + 0 + 2 + 313 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1130320231343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28271272 + ... + 28311224.

It is an arithmetic number, because the mean of its divisors is an integer number (20763454536).

Almost surely, 2^{1130320231344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130320231344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661076362880).

1130320231344 is an abundant number, since it is smaller than the sum of its proper divisors (2191832494416).

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

1130320231344 is a wasteful number, since it uses less digits than its factorization.

1130320231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41536 (or 41524 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1130320231344 its reverse (4431320230311), we get a palindrome (5561640461655).

The spelling of 1130320231344 in words is "one trillion, one hundred thirty billion, three hundred twenty million, two hundred thirty-one thousand, three hundred forty-four".