1301332213 has 2 divisors, whose sum is σ = 1301332214. Its totient is φ = 1301332212.

The previous prime is 1301332199. The next prime is 1301332231. The reversal of 1301332213 is 3122331031.

Together with next prime (1301332231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997422724 + 303909489 = 31582^2 + 17433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301332213 - 2¹³ = 1301324021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301332273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650666106 + 650666107.

It is an arithmetic number, because the mean of its divisors is an integer number (650666107).

Almost surely, 2^1301332213 is an apocalyptic number.

It is an amenable number.

1301332213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301332213 is an equidigital number, since it uses as much as digits as its factorization.

1301332213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1301332213 is about 36073.9824943130. The cubic root of 1301332213 is about 1091.7655680365.

Adding to 1301332213 its reverse (3122331031), we get a palindrome (4423663244).

The spelling of 1301332213 in words is "one billion, three hundred one million, three hundred thirty-two thousand, two hundred thirteen".