348970931 has 2 divisors, whose sum is σ = 348970932. Its totient is φ = 348970930.

The previous prime is 348970903. The next prime is 348970933. The reversal of 348970931 is 139079843.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348970931 - 2²⁶ = 281862067 is a prime.

It is a super-2 number, since 2×348970931² = 243561421366013522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 348970933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348970933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174485465 + 174485466.

It is an arithmetic number, because the mean of its divisors is an integer number (174485466).

Almost surely, 2^348970931 is an apocalyptic number.

348970931 is a deficient number, since it is larger than the sum of its proper divisors (1).

348970931 is an equidigital number, since it uses as much as digits as its factorization.

348970931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 348970931 is about 18680.7636621205. The cubic root of 348970931 is about 704.0385135987.

The spelling of 348970931 in words is "three hundred forty-eight million, nine hundred seventy thousand, nine hundred thirty-one".