13320311313031 has 2 divisors, whose sum is σ = 13320311313032. Its totient is φ = 13320311313030.

The previous prime is 13320311313019. The next prime is 13320311313061. The reversal of 13320311313031 is 13031311302331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13320311313031 is a prime.

It is a super-2 number, since 2×13320311313031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13320311312987 and 13320311313005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13320311313061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660155656515 + 6660155656516.

It is an arithmetic number, because the mean of its divisors is an integer number (6660155656516).

Almost surely, 2^{13320311313031} is an apocalyptic number.

13320311313031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320311313031 is an equidigital number, since it uses as much as digits as its factorization.

13320311313031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 13320311313031 its reverse (13031311302331), we get a palindrome (26351622615362).

The spelling of 13320311313031 in words is "thirteen trillion, three hundred twenty billion, three hundred eleven million, three hundred thirteen thousand, thirty-one".