342142813 has 2 divisors, whose sum is σ = 342142814. Its totient is φ = 342142812.

The previous prime is 342142793. The next prime is 342142837. The reversal of 342142813 is 318241243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176943204 + 165199609 = 13302^2 + 12853^2 .

It is an emirp because it is prime and its reverse (318241243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342142813 - 2¹⁷ = 342011741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342142513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171071406 + 171071407.

It is an arithmetic number, because the mean of its divisors is an integer number (171071407).

Almost surely, 2^342142813 is an apocalyptic number.

It is an amenable number.

342142813 is a deficient number, since it is larger than the sum of its proper divisors (1).

342142813 is an equidigital number, since it uses as much as digits as its factorization.

342142813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 342142813 is about 18497.1028271997. The cubic root of 342142813 is about 699.4163931600.

The spelling of 342142813 in words is "three hundred forty-two million, one hundred forty-two thousand, eight hundred thirteen".