1302223113181 has 2 divisors, whose sum is σ = 1302223113182. Its totient is φ = 1302223113180.

The previous prime is 1302223113157. The next prime is 1302223113271. The reversal of 1302223113181 is 1813113222031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725846065156 + 576377048025 = 851966^2 + 759195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302223113181 - 2¹⁵ = 1302223080413 is a prime.

It is a super-2 number, since 2×1302223113181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302283113181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651111556590 + 651111556591.

It is an arithmetic number, because the mean of its divisors is an integer number (651111556591).

Almost surely, 2^{1302223113181} is an apocalyptic number.

It is an amenable number.

1302223113181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302223113181 is an equidigital number, since it uses as much as digits as its factorization.

1302223113181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1302223113181 in words is "one trillion, three hundred two billion, two hundred twenty-three million, one hundred thirteen thousand, one hundred eighty-one".