1320110311337 has 2 divisors, whose sum is σ = 1320110311338. Its totient is φ = 1320110311336.

The previous prime is 1320110311249. The next prime is 1320110311369. The reversal of 1320110311337 is 7331130110231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972740348176 + 347369963161 = 986276^2 + 589381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320110311337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320110311397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660055155668 + 660055155669.

It is an arithmetic number, because the mean of its divisors is an integer number (660055155669).

Almost surely, 2^{1320110311337} is an apocalyptic number.

It is an amenable number.

1320110311337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320110311337 is an equidigital number, since it uses as much as digits as its factorization.

1320110311337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

Adding to 1320110311337 its reverse (7331130110231), we get a palindrome (8651240421568).

The spelling of 1320110311337 in words is "one trillion, three hundred twenty billion, one hundred ten million, three hundred eleven thousand, three hundred thirty-seven".