342663931 has 2 divisors, whose sum is σ = 342663932. Its totient is φ = 342663930.

The previous prime is 342663911. The next prime is 342663977. The reversal of 342663931 is 139366243.

It is a weak prime.

It is an emirp because it is prime and its reverse (139366243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342663931 - 2⁵ = 342663899 is a prime.

It is a super-2 number, since 2×342663931² = 234837139216745522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342663911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171331965 + 171331966.

It is an arithmetic number, because the mean of its divisors is an integer number (171331966).

Almost surely, 2^342663931 is an apocalyptic number.

342663931 is a deficient number, since it is larger than the sum of its proper divisors (1).

342663931 is an equidigital number, since it uses as much as digits as its factorization.

342663931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 342663931 is about 18511.1839437676. The cubic root of 342663931 is about 699.7713069258.

The spelling of 342663931 in words is "three hundred forty-two million, six hundred sixty-three thousand, nine hundred thirty-one".