1313301131 has 2 divisors, whose sum is σ = 1313301132. Its totient is φ = 1313301130.

The previous prime is 1313301113. The next prime is 1313301149. The reversal of 1313301131 is 1311033131.

Together with previous prime (1313301113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1313301113) and next prime (1313301149).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313301131 is a prime.

It is a super-2 number, since 2×1313301131² = 3449519721371758322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313301631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656650565 + 656650566.

It is an arithmetic number, because the mean of its divisors is an integer number (656650566).

Almost surely, 2^1313301131 is an apocalyptic number.

1313301131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313301131 is an equidigital number, since it uses as much as digits as its factorization.

1313301131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1313301131 is about 36239.4968370147. The cubic root of 1313301131 is about 1095.1025059199.

Adding to 1313301131 its reverse (1311033131), we get a palindrome (2624334262).

The spelling of 1313301131 in words is "one billion, three hundred thirteen million, three hundred one thousand, one hundred thirty-one".