1320132331 has 32 divisors (see below), whose sum is σ = 1696757760. Its totient is φ = 999806976.

The previous prime is 1320132277. The next prime is 1320132349. The reversal of 1320132331 is 1332310231.

It is not a de Polignac number, because 1320132331 - 2¹⁵ = 1320099563 is a prime.

It is a super-2 number, since 2×1320132331² = 3485498742702987122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1320132299 and 1320132308.

It is not an unprimeable number, because it can be changed into a prime (1320132371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252910 + ... + 258076.

It is an arithmetic number, because the mean of its divisors is an integer number (53023680).

Almost surely, 2^1320132331 is an apocalyptic number.

1320132331 is a deficient number, since it is larger than the sum of its proper divisors (376625429).

1320132331 is a wasteful number, since it uses less digits than its factorization.

1320132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323.

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

The square root of 1320132331 is about 36333.6253489794. The cubic root of 1320132331 is about 1096.9979663291.

Adding to 1320132331 its reverse (1332310231), we get a palindrome (2652442562).

The spelling of 1320132331 in words is "one billion, three hundred twenty million, one hundred thirty-two thousand, three hundred thirty-one".