1320143413 has 2 divisors, whose sum is σ = 1320143414. Its totient is φ = 1320143412.

The previous prime is 1320143393. The next prime is 1320143417. The reversal of 1320143413 is 3143410231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1015187044 + 304956369 = 31862^2 + 17463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320143413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320143417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660071706 + 660071707.

It is an arithmetic number, because the mean of its divisors is an integer number (660071707).

Almost surely, 2^1320143413 is an apocalyptic number.

It is an amenable number.

1320143413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320143413 is an equidigital number, since it uses as much as digits as its factorization.

1320143413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1320143413 is about 36333.7778520208. Note that the first 3 decimals coincide. The cubic root of 1320143413 is about 1097.0010359450.

Adding to 1320143413 its reverse (3143410231), we get a palindrome (4463553644).

The spelling of 1320143413 in words is "one billion, three hundred twenty million, one hundred forty-three thousand, four hundred thirteen".