1313113141 has 2 divisors, whose sum is σ = 1313113142. Its totient is φ = 1313113140.

The previous prime is 1313113117. The next prime is 1313113169. The reversal of 1313113141 is 1413113131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933058116 + 380055025 = 30546^2 + 19495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313113141 is a prime.

It is a super-2 number, since 2×1313113141² = 3448532242133771762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313113111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656556570 + 656556571.

It is an arithmetic number, because the mean of its divisors is an integer number (656556571).

Almost surely, 2^1313113141 is an apocalyptic number.

It is an amenable number.

1313113141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313113141 is an equidigital number, since it uses as much as digits as its factorization.

1313113141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 19.

The square root of 1313113141 is about 36236.9030271628. The cubic root of 1313113141 is about 1095.0502513027.

Adding to 1313113141 its reverse (1413113131), we get a palindrome (2726226272).

The spelling of 1313113141 in words is "one billion, three hundred thirteen million, one hundred thirteen thousand, one hundred forty-one".