1130344143220 has 12 divisors (see below), whose sum is σ = 2373722700804. Its totient is φ = 452137657280.

The previous prime is 1130344143211. The next prime is 1130344143263. The reversal of 1130344143220 is 223414430311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 598760249616 + 531583893604 = 773796^2 + 729098^2 .

It is a super-2 number, since 2×1130344143220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28258603561 + ... + 28258603600.

It is an arithmetic number, because the mean of its divisors is an integer number (197810225067).

Almost surely, 2^{1130344143220} is an apocalyptic number.

1130344143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130344143220 is an abundant number, since it is smaller than the sum of its proper divisors (1243378557584).

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

1130344143220 is a wasteful number, since it uses less digits than its factorization.

1130344143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56517207170 (or 56517207168 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1130344143220 its reverse (223414430311), we get a palindrome (1353758573531).

The spelling of 1130344143220 in words is "one trillion, one hundred thirty billion, three hundred forty-four million, one hundred forty-three thousand, two hundred twenty".