13331011061 has 2 divisors, whose sum is σ = 13331011062. Its totient is φ = 13331011060.

The previous prime is 13331011039. The next prime is 13331011069. The reversal of 13331011061 is 16011013331.

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., 12041770225 + 1289240836 = 109735^2 + 35906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331011061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13331011069) 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, 6665505530 + 6665505531.

It is an arithmetic number, because the mean of its divisors is an integer number (6665505531).

Almost surely, 2^13331011061 is an apocalyptic number.

It is an amenable number.

13331011061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331011061 is an equidigital number, since it uses as much as digits as its factorization.

13331011061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13331011061 its reverse (16011013331), we get a palindrome (29342024392).

The spelling of 13331011061 in words is "thirteen billion, three hundred thirty-one million, eleven thousand, sixty-one".