1320311337 has 8 divisors (see below), whose sum is σ = 1762655136. Its totient is φ = 879087552.

The previous prime is 1320311287. The next prime is 1320311383. The reversal of 1320311337 is 7331130231.

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

It is not a de Polignac number, because 1320311337 - 2¹⁸ = 1320049193 is a prime.

It is a super-2 number, since 2×1320311337² = 3486444053221455138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320301337) 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, 277248 + ... + 281969.

It is an arithmetic number, because the mean of its divisors is an integer number (220331892).

Almost surely, 2^1320311337 is an apocalyptic number.

It is an amenable number.

1320311337 is a deficient number, since it is larger than the sum of its proper divisors (442343799).

1320311337 is an equidigital number, since it uses as much as digits as its factorization.

1320311337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560007.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 1320311337 is about 36336.0886310015. The cubic root of 1320311337 is about 1097.0475473038.

Adding to 1320311337 its reverse (7331130231), we get a palindrome (8651441568).

The spelling of 1320311337 in words is "one billion, three hundred twenty million, three hundred eleven thousand, three hundred thirty-seven".