1320000231311 has 2 divisors, whose sum is σ = 1320000231312. Its totient is φ = 1320000231310.

The previous prime is 1320000231257. The next prime is 1320000231331. The reversal of 1320000231311 is 1131320000231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320000231311 - 2⁶ = 1320000231247 is a prime.

It is a super-2 number, since 2×1320000231311² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320000231311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320000231331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660000115655 + 660000115656.

It is an arithmetic number, because the mean of its divisors is an integer number (660000115656).

Almost surely, 2^{1320000231311} is an apocalyptic number.

1320000231311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320000231311 is an equidigital number, since it uses as much as digits as its factorization.

1320000231311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1320000231311 its reverse (1131320000231), we get a palindrome (2451320231542).

The spelling of 1320000231311 in words is "one trillion, three hundred twenty billion, two hundred thirty-one thousand, three hundred eleven".