342312869 has 2 divisors, whose sum is σ = 342312870. Its totient is φ = 342312868.

The previous prime is 342312847. The next prime is 342312871. The reversal of 342312869 is 968213243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 125104225 = 14738^2 + 11185^2 .

It is a cyclic number.

It is not a de Polignac number, because 342312869 - 2¹² = 342308773 is a prime.

It is a super-2 number, since 2×342312869² = 234356200566022322, which contains 22 as substring.

Together with 342312871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342312829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171156434 + 171156435.

It is an arithmetic number, because the mean of its divisors is an integer number (171156435).

Almost surely, 2^342312869 is an apocalyptic number.

It is an amenable number.

342312869 is a deficient number, since it is larger than the sum of its proper divisors (1).

342312869 is an equidigital number, since it uses as much as digits as its factorization.

342312869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 342312869 is about 18501.6990841382. The cubic root of 342312869 is about 699.5322514599.

The spelling of 342312869 in words is "three hundred forty-two million, three hundred twelve thousand, eight hundred sixty-nine".