342198431 has 2 divisors, whose sum is σ = 342198432. Its totient is φ = 342198430.

The previous prime is 342198427. The next prime is 342198433. The reversal of 342198431 is 134891243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342198431 - 2² = 342198427 is a prime.

It is a super-2 number, since 2×342198431² = 234199532357723522, which contains 22 as substring.

Together with 342198433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342198391 and 342198400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342198433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171099215 + 171099216.

It is an arithmetic number, because the mean of its divisors is an integer number (171099216).

Almost surely, 2^342198431 is an apocalyptic number.

342198431 is a deficient number, since it is larger than the sum of its proper divisors (1).

342198431 is an equidigital number, since it uses as much as digits as its factorization.

342198431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 342198431 is about 18498.6061907377. The cubic root of 342198431 is about 699.4542896483.

The spelling of 342198431 in words is "three hundred forty-two million, one hundred ninety-eight thousand, four hundred thirty-one".