1310003210018 has 16 divisors (see below), whose sum is σ = 2080634982840. Its totient is φ = 616459758336.

The previous prime is 1310003210017. The next prime is 1310003210023. The reversal of 1310003210018 is 8100123000131.

It can be written as a sum of positive squares in 4 ways, for example, as 1082696437729 + 227306772289 = 1040527^2 + 476767^2 .

It is a super-2 number, since 2×1310003210018² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1310003210017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466768 + ... + 2184356.

Almost surely, 2^{1310003210018} is an apocalyptic number.

1310003210018 is a deficient number, since it is larger than the sum of its proper divisors (770631772822).

1310003210018 is a wasteful number, since it uses less digits than its factorization.

1310003210018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771301.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1310003210018 its reverse (8100123000131), we get a palindrome (9410126210149).

The spelling of 1310003210018 in words is "one trillion, three hundred ten billion, three million, two hundred ten thousand, eighteen".