1313300355021 has 12 divisors (see below), whose sum is σ = 1897556218272. Its totient is φ = 875271962376.

The previous prime is 1313300355019. The next prime is 1313300355043. The reversal of 1313300355021 is 1205530033131.

1313300355021 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 300 + 355 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 1313300355021 - 2¹ = 1313300355019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313300355001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21768841 + ... + 21829086.

It is an arithmetic number, because the mean of its divisors is an integer number (158129684856).

Almost surely, 2^{1313300355021} is an apocalyptic number.

It is an amenable number.

1313300355021 is a deficient number, since it is larger than the sum of its proper divisors (584255863251).

1313300355021 is a wasteful number, since it uses less digits than its factorization.

1313300355021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43601280 (or 43601277 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 1313300355021 its reverse (1205530033131), we get a palindrome (2518830388152).

The spelling of 1313300355021 in words is "one trillion, three hundred thirteen billion, three hundred million, three hundred fifty-five thousand, twenty-one".