342161231 has 2 divisors, whose sum is σ = 342161232. Its totient is φ = 342161230.

The previous prime is 342161213. The next prime is 342161249. The reversal of 342161231 is 132161243.

Together with previous prime (342161213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (342161213) and next prime (342161249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342161231 is a prime.

It is a super-2 number, since 2×342161231² = 234148615998870722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342161197 and 342161206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342161251) 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 as a sum of consecutive naturals, namely, 171080615 + 171080616.

It is an arithmetic number, because the mean of its divisors is an integer number (171080616).

Almost surely, 2^342161231 is an apocalyptic number.

342161231 is a deficient number, since it is larger than the sum of its proper divisors (1).

342161231 is an equidigital number, since it uses as much as digits as its factorization.

342161231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 342161231 is about 18497.6006822507. The cubic root of 342161231 is about 699.4289431045.

The spelling of 342161231 in words is "three hundred forty-two million, one hundred sixty-one thousand, two hundred thirty-one".