1301022113 has 2 divisors, whose sum is σ = 1301022114. Its totient is φ = 1301022112.

The previous prime is 1301022109. The next prime is 1301022119. The reversal of 1301022113 is 3112201031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043483809 + 257538304 = 32303^2 + 16048^2 .

It is an emirp because it is prime and its reverse (3112201031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301022113 - 2² = 1301022109 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301022119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650511056 + 650511057.

It is an arithmetic number, because the mean of its divisors is an integer number (650511057).

Almost surely, 2^1301022113 is an apocalyptic number.

It is an amenable number.

1301022113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301022113 is an equidigital number, since it uses as much as digits as its factorization.

1301022113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301022113 is about 36069.6841267012. The cubic root of 1301022113 is about 1091.6788406570.

Adding to 1301022113 its reverse (3112201031), we get a palindrome (4413223144).

The spelling of 1301022113 in words is "one billion, three hundred one million, twenty-two thousand, one hundred thirteen".