1302320021311 has 2 divisors, whose sum is σ = 1302320021312. Its totient is φ = 1302320021310.

The previous prime is 1302320021201. The next prime is 1302320021369. The reversal of 1302320021311 is 1131200232031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1302320021311 - 2³⁷ = 1164881067839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302320021111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651160010655 + 651160010656.

It is an arithmetic number, because the mean of its divisors is an integer number (651160010656).

Almost surely, 2^{1302320021311} is an apocalyptic number.

1302320021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302320021311 is an equidigital number, since it uses as much as digits as its factorization.

1302320021311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1302320021311 its reverse (1131200232031), we get a palindrome (2433520253342).

The spelling of 1302320021311 in words is "one trillion, three hundred two billion, three hundred twenty million, twenty-one thousand, three hundred eleven".