342320133257 has 2 divisors, whose sum is σ = 342320133258. Its totient is φ = 342320133256.

The previous prime is 342320133251. The next prime is 342320133289. The reversal of 342320133257 is 752331023243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229346167801 + 112973965456 = 478901^2 + 336116^2 .

It is a cyclic number.

It is not a de Polignac number, because 342320133257 - 2¹² = 342320129161 is a prime.

It is not a weakly prime, because it can be changed into another prime (342320133251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171160066628 + 171160066629.

It is an arithmetic number, because the mean of its divisors is an integer number (171160066629).

Almost surely, 2^342320133257 is an apocalyptic number.

It is an amenable number.

342320133257 is a deficient number, since it is larger than the sum of its proper divisors (1).

342320133257 is an equidigital number, since it uses as much as digits as its factorization.

342320133257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 342320133257 in words is "three hundred forty-two billion, three hundred twenty million, one hundred thirty-three thousand, two hundred fifty-seven".