1310030313021 has 14 divisors (see below), whose sum is σ = 1964146958750. Its totient is φ = 873353541528.

The previous prime is 1310030312977. The next prime is 1310030313107. The reversal of 1310030313021 is 1203130300131.

It is a happy number.

1310030313021 is a `hidden beast` number, since 1 + 310 + 0 + 303 + 1 + 30 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1087869860100 + 222160452921 = 1043010^2 + 471339^2 .

It is not a de Polignac number, because 1310030313021 - 2⁶ = 1310030312957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310030312985 and 1310030313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310030313121) 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 in 13 ways as a sum of consecutive naturals, for example, 898511146 + ... + 898512603.

Almost surely, 2^{1310030313021} is an apocalyptic number.

It is an amenable number.

1310030313021 is a deficient number, since it is larger than the sum of its proper divisors (654116645729).

1310030313021 is an frugal number, since it uses more digits than its factorization.

1310030313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797023767 (or 1797023752 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1310030313021 its reverse (1203130300131), we get a palindrome (2513160613152).

The spelling of 1310030313021 in words is "one trillion, three hundred ten billion, thirty million, three hundred thirteen thousand, twenty-one".