342520213 has 8 divisors (see below), whose sum is σ = 393854528. Its totient is φ = 291786624.

The previous prime is 342520187. The next prime is 342520229. The reversal of 342520213 is 312025243.

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

It is a cyclic number.

It is not a de Polignac number, because 342520213 - 2⁹ = 342519701 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 (342520253) 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, 148956 + ... + 151237.

It is an arithmetic number, because the mean of its divisors is an integer number (49231816).

Almost surely, 2^342520213 is an apocalyptic number.

It is an amenable number.

342520213 is a deficient number, since it is larger than the sum of its proper divisors (51334315).

342520213 is a wasteful number, since it uses less digits than its factorization.

342520213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300363.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 342520213 is about 18507.3016131472. The cubic root of 342520213 is about 699.6734619850.

Adding to 342520213 its reverse (312025243), we get a palindrome (654545456).

The spelling of 342520213 in words is "three hundred forty-two million, five hundred twenty thousand, two hundred thirteen".