1320220303097 has 2 divisors, whose sum is σ = 1320220303098. Its totient is φ = 1320220303096.

The previous prime is 1320220303079. The next prime is 1320220303139. The reversal of 1320220303097 is 7903030220231.

Together with previous prime (1320220303079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1213123813561 + 107096489536 = 1101419^2 + 327256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320220303097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320220303057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110151548 + 660110151549.

It is an arithmetic number, because the mean of its divisors is an integer number (660110151549).

Almost surely, 2^{1320220303097} is an apocalyptic number.

It is an amenable number.

1320220303097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320220303097 is an equidigital number, since it uses as much as digits as its factorization.

1320220303097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 1320220303097 in words is "one trillion, three hundred twenty billion, two hundred twenty million, three hundred three thousand, ninety-seven".