1331232130 has 8 divisors (see below), whose sum is σ = 2396217852. Its totient is φ = 532492848.

The previous prime is 1331232121. The next prime is 1331232167. The reversal of 1331232130 is 312321331.

It can be written as a sum of positive squares in 2 ways, for example, as 1329842089 + 1390041 = 36467^2 + 1179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1331232098 and 1331232107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66561597 + ... + 66561616.

Almost surely, 2^1331232130 is an apocalyptic number.

1331232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331232130 is a deficient number, since it is larger than the sum of its proper divisors (1064985722).

1331232130 is a wasteful number, since it uses less digits than its factorization.

1331232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133123220.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1331232130 is about 36486.0539110494. The cubic root of 1331232130 is about 1100.0639439412.

Adding to 1331232130 its reverse (312321331), we get a palindrome (1643553461).

The spelling of 1331232130 in words is "one billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty".