342151213 has 2 divisors, whose sum is σ = 342151214. Its totient is φ = 342151212.

The previous prime is 342151189. The next prime is 342151217. The reversal of 342151213 is 312151243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295392969 + 46758244 = 17187^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 342151213 - 2⁹ = 342150701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342151217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171075606 + 171075607.

It is an arithmetic number, because the mean of its divisors is an integer number (171075607).

Almost surely, 2^342151213 is an apocalyptic number.

It is an amenable number.

342151213 is a deficient number, since it is larger than the sum of its proper divisors (1).

342151213 is an equidigital number, since it uses as much as digits as its factorization.

342151213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 342151213 is about 18497.3298883920. The cubic root of 342151213 is about 699.4221169391.

The spelling of 342151213 in words is "three hundred forty-two million, one hundred fifty-one thousand, two hundred thirteen".