1301011220263 has 2 divisors, whose sum is σ = 1301011220264. Its totient is φ = 1301011220262.

The previous prime is 1301011220137. The next prime is 1301011220273. The reversal of 1301011220263 is 3620221101031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301011220263 - 2¹³ = 1301011212071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301011220273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650505610131 + 650505610132.

It is an arithmetic number, because the mean of its divisors is an integer number (650505610132).

Almost surely, 2^{1301011220263} is an apocalyptic number.

1301011220263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301011220263 is an equidigital number, since it uses as much as digits as its factorization.

1301011220263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1301011220263 its reverse (3620221101031), we get a palindrome (4921232321294).

The spelling of 1301011220263 in words is "one trillion, three hundred one billion, eleven million, two hundred twenty thousand, two hundred sixty-three".