1320331130 has 16 divisors (see below), whose sum is σ = 2377530144. Its totient is φ = 527924880.

The previous prime is 1320331127. The next prime is 1320331139. The reversal of 1320331130 is 311330231.

It is a junction number, because it is equal to n+sod(n) for n = 1320331099 and 1320331108.

It is not an unprimeable number, because it can be changed into a prime (1320331139) 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, 2225 + ... + 51435.

It is an arithmetic number, because the mean of its divisors is an integer number (148595634).

Almost surely, 2^1320331130 is an apocalyptic number.

1320331130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320331130 is a deficient number, since it is larger than the sum of its proper divisors (1057199014).

1320331130 is a wasteful number, since it uses less digits than its factorization.

1320331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51901.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1320331130 is about 36336.3609900606. The cubic root of 1320331130 is about 1097.0530292819.

Adding to 1320331130 its reverse (311330231), we get a palindrome (1631661361).

The spelling of 1320331130 in words is "one billion, three hundred twenty million, three hundred thirty-one thousand, one hundred thirty".