342467831 has 2 divisors, whose sum is σ = 342467832. Its totient is φ = 342467830.

The previous prime is 342467791. The next prime is 342467869. The reversal of 342467831 is 138764243.

It is an a-pointer prime, because the next prime (342467869) can be obtained adding 342467831 to its sum of digits (38).

It is a strong prime.

It is an emirp because it is prime and its reverse (138764243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342467831 is a prime.

It is a super-2 number, since 2×342467831² = 234568430539689122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342467131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171233915 + 171233916.

It is an arithmetic number, because the mean of its divisors is an integer number (171233916).

Almost surely, 2^342467831 is an apocalyptic number.

342467831 is a deficient number, since it is larger than the sum of its proper divisors (1).

342467831 is an equidigital number, since it uses as much as digits as its factorization.

342467831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 342467831 is about 18505.8863878497. The cubic root of 342467831 is about 699.6377928844.

The spelling of 342467831 in words is "three hundred forty-two million, four hundred sixty-seven thousand, eight hundred thirty-one".