1320513211 has 2 divisors, whose sum is σ = 1320513212. Its totient is φ = 1320513210.

The previous prime is 1320513149. The next prime is 1320513217. The reversal of 1320513211 is 1123150231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320513211 - 2⁷ = 1320513083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320513217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660256605 + 660256606.

It is an arithmetic number, because the mean of its divisors is an integer number (660256606).

Almost surely, 2^1320513211 is an apocalyptic number.

1320513211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320513211 is an equidigital number, since it uses as much as digits as its factorization.

1320513211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1320513211 is about 36338.8663967384. The cubic root of 1320513211 is about 1097.1034568669.

Adding to 1320513211 its reverse (1123150231), we get a palindrome (2443663442).

The spelling of 1320513211 in words is "one billion, three hundred twenty million, five hundred thirteen thousand, two hundred eleven".