343421131020013 has 8 divisors (see below), whose sum is σ = 343438533168120. Its totient is φ = 343403729372160.

The previous prime is 343421131019969. The next prime is 343421131020049. The reversal of 343421131020013 is 310020131124343.

It can be written as a sum of positive squares in 4 ways, for example, as 9348349055049 + 334072781964964 = 3057507^2 + 18277658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343421131020013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343421131020073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311949881 + ... + 2312098417.

It is an arithmetic number, because the mean of its divisors is an integer number (42929816646015).

Almost surely, 2^{343421131020013} is an apocalyptic number.

It is an amenable number.

343421131020013 is a deficient number, since it is larger than the sum of its proper divisors (17402148107).

343421131020013 is a wasteful number, since it uses less digits than its factorization.

343421131020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250127.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 343421131020013 its reverse (310020131124343), we get a palindrome (653441262144356).

The spelling of 343421131020013 in words is "three hundred forty-three trillion, four hundred twenty-one billion, one hundred thirty-one million, twenty thousand, thirteen".