342230681 has 4 divisors (see below), whose sum is σ = 368556132. Its totient is φ = 315905232.

The previous prime is 342230659. The next prime is 342230687. The reversal of 342230681 is 186032243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 186032243 = 2039 ⋅91237.

It can be written as a sum of positive squares in 2 ways, for example, as 43494025 + 298736656 = 6595^2 + 17284^2 .

It is a cyclic number.

It is not a de Polignac number, because 342230681 - 2²⁶ = 275121817 is a prime.

It is a super-2 number, since 2×342230681² = 234243678035447522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342230687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13162706 + ... + 13162731.

It is an arithmetic number, because the mean of its divisors is an integer number (92139033).

Almost surely, 2^342230681 is an apocalyptic number.

It is an amenable number.

342230681 is a deficient number, since it is larger than the sum of its proper divisors (26325451).

342230681 is a wasteful number, since it uses less digits than its factorization.

342230681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26325450.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 342230681 is about 18499.4778574964. The cubic root of 342230681 is about 699.4762619799.

The spelling of 342230681 in words is "three hundred forty-two million, two hundred thirty thousand, six hundred eighty-one".