1310060021 has 2 divisors, whose sum is σ = 1310060022. Its totient is φ = 1310060020.

The previous prime is 1310059951. The next prime is 1310060029. The reversal of 1310060021 is 1200600131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056900100 + 253159921 = 32510^2 + 15911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310060021 - 2¹⁸ = 1309797877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310059978 and 1310060005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310060029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655030010 + 655030011.

It is an arithmetic number, because the mean of its divisors is an integer number (655030011).

Almost surely, 2^1310060021 is an apocalyptic number.

It is an amenable number.

1310060021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310060021 is an equidigital number, since it uses as much as digits as its factorization.

1310060021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1310060021 is about 36194.7512907604. The cubic root of 1310060021 is about 1094.2008920571.

Adding to 1310060021 its reverse (1200600131), we get a palindrome (2510660152).

The spelling of 1310060021 in words is "one billion, three hundred ten million, sixty thousand, twenty-one".