342087542117 has 2 divisors, whose sum is σ = 342087542118. Its totient is φ = 342087542116.

The previous prime is 342087542113. The next prime is 342087542143. The reversal of 342087542117 is 711245780243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178484280676 + 163603261441 = 422474^2 + 404479^2 .

It is a cyclic number.

It is not a de Polignac number, because 342087542117 - 2² = 342087542113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342087542113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171043771058 + 171043771059.

It is an arithmetic number, because the mean of its divisors is an integer number (171043771059).

Almost surely, 2^342087542117 is an apocalyptic number.

It is an amenable number.

342087542117 is a deficient number, since it is larger than the sum of its proper divisors (1).

342087542117 is an equidigital number, since it uses as much as digits as its factorization.

342087542117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 342087542117 in words is "three hundred forty-two billion, eighty-seven million, five hundred forty-two thousand, one hundred seventeen".