1303102302181 has 2 divisors, whose sum is σ = 1303102302182. Its totient is φ = 1303102302180.

The previous prime is 1303102302163. The next prime is 1303102302191. The reversal of 1303102302181 is 1812032013031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289948506081 + 13153796100 = 1135759^2 + 114690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303102302181 is a prime.

It is a super-2 number, since 2×1303102302181² (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 (1303102302191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651551151090 + 651551151091.

It is an arithmetic number, because the mean of its divisors is an integer number (651551151091).

Almost surely, 2^{1303102302181} is an apocalyptic number.

It is an amenable number.

1303102302181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303102302181 is an equidigital number, since it uses as much as digits as its factorization.

1303102302181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1303102302181 in words is "one trillion, three hundred three billion, one hundred two million, three hundred two thousand, one hundred eighty-one".