1320051343 has 8 divisors (see below), whose sum is σ = 1505217168. Its totient is φ = 1146831744.

The previous prime is 1320051329. The next prime is 1320051347. The reversal of 1320051343 is 3431500231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320051343 - 2⁵ = 1320051311 is a prime.

It is a super-2 number, since 2×1320051343² = 3485071096312207298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320051347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2986321 + ... + 2986762.

It is an arithmetic number, because the mean of its divisors is an integer number (188152146).

Almost surely, 2^1320051343 is an apocalyptic number.

1320051343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320051343 is a deficient number, since it is larger than the sum of its proper divisors (185165825).

1320051343 is a wasteful number, since it uses less digits than its factorization.

1320051343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973113.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1320051343 is about 36332.5108270816. The cubic root of 1320051343 is about 1096.9755328487.

Adding to 1320051343 its reverse (3431500231), we get a palindrome (4751551574).

The spelling of 1320051343 in words is "one billion, three hundred twenty million, fifty-one thousand, three hundred forty-three".