341330002421 has 2 divisors, whose sum is σ = 341330002422. Its totient is φ = 341330002420.

The previous prime is 341330002399. The next prime is 341330002459. The reversal of 341330002421 is 124200033143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223526601796 + 117803400625 = 472786^2 + 343225^2 .

It is a cyclic number.

It is not a de Polignac number, because 341330002421 - 2¹⁴ = 341329986037 is a prime.

It is a super-2 number, since 2×341330002421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341330002721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170665001210 + 170665001211.

It is an arithmetic number, because the mean of its divisors is an integer number (170665001211).

Almost surely, 2^341330002421 is an apocalyptic number.

It is an amenable number.

341330002421 is a deficient number, since it is larger than the sum of its proper divisors (1).

341330002421 is an equidigital number, since it uses as much as digits as its factorization.

341330002421 is an evil number, because the sum of its binary digits is even.

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

Adding to 341330002421 its reverse (124200033143), we get a palindrome (465530035564).

The spelling of 341330002421 in words is "three hundred forty-one billion, three hundred thirty million, two thousand, four hundred twenty-one".