1310240105 has 16 divisors (see below), whose sum is σ = 1583200080. Its totient is φ = 1040938752.

The previous prime is 1310240101. The next prime is 1310240119. The reversal of 1310240105 is 5010420131.

It can be written as a sum of positive squares in 8 ways, for example, as 86359849 + 1223880256 = 9293^2 + 34984^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310240105 - 2² = 1310240101 is a prime.

It is a super-2 number, since 2×1310240105² = 3433458265500822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310240101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784211 + ... + 785879.

It is an arithmetic number, because the mean of its divisors is an integer number (98950005).

Almost surely, 2^1310240105 is an apocalyptic number.

It is an amenable number.

1310240105 is a deficient number, since it is larger than the sum of its proper divisors (272959975).

1310240105 is a wasteful number, since it uses less digits than its factorization.

1310240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1310240105 is about 36197.2389140387. The cubic root of 1310240105 is about 1094.2510269217.

Adding to 1310240105 its reverse (5010420131), we get a palindrome (6320660236).

The spelling of 1310240105 in words is "one billion, three hundred ten million, two hundred forty thousand, one hundred five".