1310302021021 has 8 divisors (see below), whose sum is σ = 1497537677120. Its totient is φ = 1123078778208.

The previous prime is 1310302020931. The next prime is 1310302021033. The reversal of 1310302021021 is 1201202030131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310302021021 - 2⁹ = 1310302020509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310302020986 and 1310302021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310302021081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876016 + ... + 3300313.

It is an arithmetic number, because the mean of its divisors is an integer number (187192209640).

Almost surely, 2^{1310302021021} is an apocalyptic number.

It is an amenable number.

1310302021021 is a deficient number, since it is larger than the sum of its proper divisors (187235656099).

1310302021021 is an equidigital number, since it uses as much as digits as its factorization.

1310302021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206643.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1310302021021 its reverse (1201202030131), we get a palindrome (2511504051152).

The spelling of 1310302021021 in words is "one trillion, three hundred ten billion, three hundred two million, twenty-one thousand, twenty-one".