13112310220949 has 2 divisors, whose sum is σ = 13112310220950. Its totient is φ = 13112310220948.

The previous prime is 13112310220943. The next prime is 13112310220969. The reversal of 13112310220949 is 94902201321131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7221350184049 + 5890960036900 = 2687257^2 + 2427130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112310220949 - 2²⁰ = 13112309172373 is a prime.

It is a super-2 number, since 2×13112310220949² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112310220943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556155110474 + 6556155110475.

It is an arithmetic number, because the mean of its divisors is an integer number (6556155110475).

Almost surely, 2^{13112310220949} is an apocalyptic number.

It is an amenable number.

13112310220949 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112310220949 is an equidigital number, since it uses as much as digits as its factorization.

13112310220949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 13112310220949 in words is "thirteen trillion, one hundred twelve billion, three hundred ten million, two hundred twenty thousand, nine hundred forty-nine".