20130304143313 has 24 divisors (see below), whose sum is σ = 25467868276200. Its totient is φ = 15769577779200.

The previous prime is 20130304143311. The next prime is 20130304143317. The reversal of 20130304143313 is 31334140303102.

It can be written as a sum of positive squares in 4 ways, for example, as 3776271087169 + 16354033056144 = 1943263^2 + 4044012^2 .

It is not a de Polignac number, because 20130304143313 - 2¹ = 20130304143311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130304143311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156379888 + ... + 156508561.

It is an arithmetic number, because the mean of its divisors is an integer number (1061161178175).

Almost surely, 2^{20130304143313} is an apocalyptic number.

It is an amenable number.

20130304143313 is a deficient number, since it is larger than the sum of its proper divisors (5337564132887).

20130304143313 is a wasteful number, since it uses less digits than its factorization.

20130304143313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312888577 (or 312888570 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20130304143313 its reverse (31334140303102), we get a palindrome (51464444446415).

The spelling of 20130304143313 in words is "twenty trillion, one hundred thirty billion, three hundred four million, one hundred forty-three thousand, three hundred thirteen".