10343413331021 has 4 divisors (see below), whose sum is σ = 10343544020412. Its totient is φ = 10343282641632.

The previous prime is 10343413330993. The next prime is 10343413331029. The reversal of 10343413331021 is 12013331434301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6551864434921 + 3791548896100 = 2559661^2 + 1947190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10343413331021 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 (10343413331029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65225906 + ... + 65384291.

It is an arithmetic number, because the mean of its divisors is an integer number (2585886005103).

Almost surely, 2^{10343413331021} is an apocalyptic number.

It is an amenable number.

10343413331021 is a deficient number, since it is larger than the sum of its proper divisors (130689391).

10343413331021 is an equidigital number, since it uses as much as digits as its factorization.

10343413331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130689390.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 10343413331021 its reverse (12013331434301), we get a palindrome (22356744765322).

The spelling of 10343413331021 in words is "ten trillion, three hundred forty-three billion, four hundred thirteen million, three hundred thirty-one thousand, twenty-one".