340302421013 has 16 divisors (see below), whose sum is σ = 350428478400. Its totient is φ = 330279949440.

The previous prime is 340302420977. The next prime is 340302421031. The reversal of 340302421013 is 310124203043.

It is a cyclic number.

It is not a de Polignac number, because 340302421013 - 2³⁸ = 65424514069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340302421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340302421033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9781433 + ... + 9816161.

It is an arithmetic number, because the mean of its divisors is an integer number (21901779900).

Almost surely, 2^340302421013 is an apocalyptic number.

It is an amenable number.

340302421013 is a deficient number, since it is larger than the sum of its proper divisors (10126057387).

340302421013 is a wasteful number, since it uses less digits than its factorization.

340302421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36212.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 340302421013 its reverse (310124203043), we get a palindrome (650426624056).

The spelling of 340302421013 in words is "three hundred forty billion, three hundred two million, four hundred twenty-one thousand, thirteen".