11312223029 has 2 divisors, whose sum is σ = 11312223030. Its totient is φ = 11312223028.

The previous prime is 11312223001. The next prime is 11312223049. The reversal of 11312223029 is 92032221311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9761044804 + 1551178225 = 98798^2 + 39385^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312223029 - 2²⁰ = 11311174453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11312222989 and 11312223007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312223049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656111514 + 5656111515.

It is an arithmetic number, because the mean of its divisors is an integer number (5656111515).

Almost surely, 2^11312223029 is an apocalyptic number.

It is an amenable number.

11312223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312223029 is an equidigital number, since it uses as much as digits as its factorization.

11312223029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11312223029 in words is "eleven billion, three hundred twelve million, two hundred twenty-three thousand, twenty-nine".