21412034040313 has 6 divisors (see below), whose sum is σ = 24907876332666. Its totient is φ = 18353172034512.

The previous prime is 21412034040311. The next prime is 21412034040317. The reversal of 21412034040313 is 31304043021412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20993285276649 + 418748763664 = 4581843^2 + 647108^2 .

It is not a de Polignac number, because 21412034040313 - 2¹ = 21412034040311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21412034040311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218490143220 + ... + 218490143317.

It is an arithmetic number, because the mean of its divisors is an integer number (4151312722111).

Almost surely, 2^{21412034040313} is an apocalyptic number.

It is an amenable number.

21412034040313 is a deficient number, since it is larger than the sum of its proper divisors (3495842292353).

21412034040313 is an equidigital number, since it uses as much as digits as its factorization.

21412034040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436980286551 (or 436980286544 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21412034040313 its reverse (31304043021412), we get a palindrome (52716077061725).

The spelling of 21412034040313 in words is "twenty-one trillion, four hundred twelve billion, thirty-four million, forty thousand, three hundred thirteen".