1151323330 has 16 divisors (see below), whose sum is σ = 2072780280. Its totient is φ = 460440832.

The previous prime is 1151323321. The next prime is 1151323331. The reversal of 1151323330 is 333231511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 743162121 + 408161209 = 27261^2 + 20203^2 .

It is not an unprimeable number, because it can be changed into a prime (1151323331) 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, 76812 + ... + 90568.

Almost surely, 2^1151323330 is an apocalyptic number.

1151323330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151323330 is a deficient number, since it is larger than the sum of its proper divisors (921456950).

1151323330 is a wasteful number, since it uses less digits than its factorization.

1151323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22133.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1151323330 is about 33931.1557421789. The cubic root of 1151323330 is about 1048.0912655062.

Adding to 1151323330 its reverse (333231511), we get a palindrome (1484554841).

It can be divided in two parts, 11513 and 23330, that added together give a palindrome (34843).

The spelling of 1151323330 in words is "one billion, one hundred fifty-one million, three hundred twenty-three thousand, three hundred thirty".