1130322321 has 12 divisors (see below), whose sum is σ = 1636266372. Its totient is φ = 751896576.

The previous prime is 1130322313. The next prime is 1130322353. The reversal of 1130322321 is 1232230311.

It can be written as a sum of positive squares in 2 ways, for example, as 500864400 + 629457921 = 22380^2 + 25089^2 .

It is not a de Polignac number, because 1130322321 - 2³ = 1130322313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130322294 and 1130322303.

It is not an unprimeable number, because it can be changed into a prime (1130321321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133296 + ... + 141521.

It is an arithmetic number, because the mean of its divisors is an integer number (136355531).

Almost surely, 2^1130322321 is an apocalyptic number.

It is an amenable number.

1130322321 is a deficient number, since it is larger than the sum of its proper divisors (505944051).

1130322321 is a wasteful number, since it uses less digits than its factorization.

1130322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275280 (or 275277 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130322321 is about 33620.2665218466. The cubic root of 1130322321 is about 1041.6794612985.

Adding to 1130322321 its reverse (1232230311), we get a palindrome (2362552632).

The spelling of 1130322321 in words is "one billion, one hundred thirty million, three hundred twenty-two thousand, three hundred twenty-one".