2121415313 has 8 divisors (see below), whose sum is σ = 2179992360. Its totient is φ = 2062903680.

The previous prime is 2121415301. The next prime is 2121415339. The reversal of 2121415313 is 3135141212.

It can be written as a sum of positive squares in 4 ways, for example, as 378185809 + 1743229504 = 19447^2 + 41752^2 .

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 2121415313 - 2⁴ = 2121415297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121415393) 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, 53453 + ... + 84261.

It is an arithmetic number, because the mean of its divisors is an integer number (272499045).

Almost surely, 2^2121415313 is an apocalyptic number.

It is an amenable number.

2121415313 is a deficient number, since it is larger than the sum of its proper divisors (58577047).

2121415313 is a wasteful number, since it uses less digits than its factorization.

2121415313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32707.

The product of its digits is 720, while the sum is 23.

The square root of 2121415313 is about 46058.8244856510. The cubic root of 2121415313 is about 1284.9174676865.

Adding to 2121415313 its reverse (3135141212), we get a palindrome (5256556525).

The spelling of 2121415313 in words is "two billion, one hundred twenty-one million, four hundred fifteen thousand, three hundred thirteen".