12311133061 has 2 divisors, whose sum is σ = 12311133062. Its totient is φ = 12311133060.

The previous prime is 12311133059. The next prime is 12311133113. The reversal of 12311133061 is 16033111321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10157616225 + 2153516836 = 100785^2 + 46406^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311133061 - 2¹ = 12311133059 is a prime.

Together with 12311133059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311130061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155566530 + 6155566531.

It is an arithmetic number, because the mean of its divisors is an integer number (6155566531).

Almost surely, 2^12311133061 is an apocalyptic number.

It is an amenable number.

12311133061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311133061 is an equidigital number, since it uses as much as digits as its factorization.

12311133061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12311133061 its reverse (16033111321), we get a palindrome (28344244382).

The spelling of 12311133061 in words is "twelve billion, three hundred eleven million, one hundred thirty-three thousand, sixty-one".