342227131 has 4 divisors (see below), whose sum is σ = 346559200. Its totient is φ = 337895064.

The previous prime is 342227117. The next prime is 342227147. The reversal of 342227131 is 131722243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131722243 = 107 ⋅1231049.

It is a cyclic number.

It is not a de Polignac number, because 342227131 - 2²⁵ = 308672699 is a prime.

It is a super-2 number, since 2×342227131² = 234238818384982322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342227096 and 342227105.

It is not an unprimeable number, because it can be changed into a prime (342237131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165916 + ... + 2166073.

It is an arithmetic number, because the mean of its divisors is an integer number (86639800).

Almost surely, 2^342227131 is an apocalyptic number.

342227131 is a deficient number, since it is larger than the sum of its proper divisors (4332069).

342227131 is an equidigital number, since it uses as much as digits as its factorization.

342227131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332068.

The product of its digits is 2016, while the sum is 25.

The square root of 342227131 is about 18499.3819085936. The cubic root of 342227131 is about 699.4738433878.

Adding to 342227131 its reverse (131722243), we get a palindrome (473949374).

The spelling of 342227131 in words is "three hundred forty-two million, two hundred twenty-seven thousand, one hundred thirty-one".