213402342341 has 4 divisors (see below), whose sum is σ = 213418303884. Its totient is φ = 213386380800.

The previous prime is 213402342299. The next prime is 213402342401. The reversal of 213402342341 is 143243204312.

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 14058844900 + 199343497441 = 118570^2 + 446479^2 .

It is a cyclic number.

It is not a de Polignac number, because 213402342341 - 2⁶ = 213402342277 is a prime.

It is a super-2 number, since 2×213402342341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213402342641) 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, 7960700 + ... + 7987461.

It is an arithmetic number, because the mean of its divisors is an integer number (53354575971).

Almost surely, 2^213402342341 is an apocalyptic number.

It is an amenable number.

213402342341 is a deficient number, since it is larger than the sum of its proper divisors (15961543).

213402342341 is a wasteful number, since it uses less digits than its factorization.

213402342341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961542.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213402342341 its reverse (143243204312), we get a palindrome (356645546653).

The spelling of 213402342341 in words is "two hundred thirteen billion, four hundred two million, three hundred forty-two thousand, three hundred forty-one".