1131122330 has 16 divisors (see below), whose sum is σ = 2192637384. Its totient is φ = 417645120.

The previous prime is 1131122323. The next prime is 1131122339. The reversal of 1131122330 is 332211311.

It can be written as a sum of positive squares in 4 ways, for example, as 736742449 + 394379881 = 27143^2 + 19859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1131122299 and 1131122308.

It is not an unprimeable number, because it can be changed into a prime (1131122339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350341 + ... + 4350600.

Almost surely, 2^1131122330 is an apocalyptic number.

1131122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131122330 is a deficient number, since it is larger than the sum of its proper divisors (1061515054).

1131122330 is a wasteful number, since it uses less digits than its factorization.

1131122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700961.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131122330 is about 33632.1621368594. The cubic root of 1131122330 is about 1041.9251600691.

Adding to 1131122330 its reverse (332211311), we get a palindrome (1463333641).

The spelling of 1131122330 in words is "one billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred thirty".