1313302313 has 2 divisors, whose sum is σ = 1313302314. Its totient is φ = 1313302312.

The previous prime is 1313302297. The next prime is 1313302337. The reversal of 1313302313 is 3132033131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715402009 + 597900304 = 26747^2 + 24452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313302313 - 2⁴ = 1313302297 is a prime.

It is a super-2 number, since 2×1313302313² = 3449525930662299938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313302373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656651156 + 656651157.

It is an arithmetic number, because the mean of its divisors is an integer number (656651157).

Almost surely, 2^1313302313 is an apocalyptic number.

It is an amenable number.

1313302313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313302313 is an equidigital number, since it uses as much as digits as its factorization.

1313302313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1313302313 is about 36239.5131451845. The cubic root of 1313302313 is about 1095.1028344586.

Adding to 1313302313 its reverse (3132033131), we get a palindrome (4445335444).

The spelling of 1313302313 in words is "one billion, three hundred thirteen million, three hundred two thousand, three hundred thirteen".