1310238113 has 2 divisors, whose sum is σ = 1310238114. Its totient is φ = 1310238112.

The previous prime is 1310238103. The next prime is 1310238121. The reversal of 1310238113 is 3118320131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272206224 + 38031889 = 35668^2 + 6167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310238113 - 2¹⁴ = 1310221729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310238103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655119056 + 655119057.

It is an arithmetic number, because the mean of its divisors is an integer number (655119057).

Almost surely, 2^1310238113 is an apocalyptic number.

It is an amenable number.

1310238113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310238113 is an equidigital number, since it uses as much as digits as its factorization.

1310238113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1310238113 is about 36197.2113981174. The cubic root of 1310238113 is about 1094.2504723798.

Adding to 1310238113 its reverse (3118320131), we get a palindrome (4428558244).

It can be divided in two parts, 13102 and 38113, that added together give a palindrome (51215).

The spelling of 1310238113 in words is "one billion, three hundred ten million, two hundred thirty-eight thousand, one hundred thirteen".