1313224141 has 2 divisors, whose sum is σ = 1313224142. Its totient is φ = 1313224140.

The previous prime is 1313224117. The next prime is 1313224151. The reversal of 1313224141 is 1414223131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679644900 + 633579241 = 26070^2 + 25171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313224141 - 2²³ = 1304835533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313224151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656612070 + 656612071.

It is an arithmetic number, because the mean of its divisors is an integer number (656612071).

Almost surely, 2^1313224141 is an apocalyptic number.

It is an amenable number.

1313224141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313224141 is an equidigital number, since it uses as much as digits as its factorization.

1313224141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1313224141 is about 36238.4345826362. The cubic root of 1313224141 is about 1095.0811060070.

Adding to 1313224141 its reverse (1414223131), we get a palindrome (2727447272).

It can be divided in two parts, 13132 and 24141, that added together give a palindrome (37273).

The spelling of 1313224141 in words is "one billion, three hundred thirteen million, two hundred twenty-four thousand, one hundred forty-one".