11234131309 has 2 divisors, whose sum is σ = 11234131310. Its totient is φ = 11234131308.

The previous prime is 11234131303. The next prime is 11234131343. The reversal of 11234131309 is 90313143211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9173425284 + 2060706025 = 95778^2 + 45395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11234131309 - 2⁹ = 11234130797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11234131303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617065654 + 5617065655.

It is an arithmetic number, because the mean of its divisors is an integer number (5617065655).

Almost surely, 2^11234131309 is an apocalyptic number.

It is an amenable number.

11234131309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234131309 is an equidigital number, since it uses as much as digits as its factorization.

11234131309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 11234131309 in words is "eleven billion, two hundred thirty-four million, one hundred thirty-one thousand, three hundred nine".