1313130302021 has 16 divisors (see below), whose sum is σ = 1446335495040. Its totient is φ = 1189930290912.

The previous prime is 1313130301943. The next prime is 1313130302027. The reversal of 1313130302021 is 1202030313131.

It is a de Polignac number, because none of the positive numbers 2^k-1313130302021 is a prime.

It is a super-2 number, since 2×1313130302021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313130301984 and 1313130302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313130302027) 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 15 ways as a sum of consecutive naturals, for example, 4004120 + ... + 4319633.

It is an arithmetic number, because the mean of its divisors is an integer number (90395968440).

Almost surely, 2^{1313130302021} is an apocalyptic number.

It is an amenable number.

1313130302021 is a deficient number, since it is larger than the sum of its proper divisors (133205193019).

1313130302021 is an frugal number, since it uses more digits than its factorization.

1313130302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323833 (or 8323795 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1313130302021 its reverse (1202030313131), we get a palindrome (2515160615152).

The spelling of 1313130302021 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, three hundred two thousand, twenty-one".