348531047 has 4 divisors (see below), whose sum is σ = 359774016. Its totient is φ = 337288080.

The previous prime is 348531017. The next prime is 348531049. The reversal of 348531047 is 740135843.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 348531047 - 2¹² = 348526951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348530998 and 348531016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348531049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621438 + ... + 5621499.

It is an arithmetic number, because the mean of its divisors is an integer number (89943504).

Almost surely, 2^348531047 is an apocalyptic number.

348531047 is a deficient number, since it is larger than the sum of its proper divisors (11242969).

348531047 is a wasteful number, since it uses less digits than its factorization.

348531047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11242968.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 348531047 is about 18668.9862338585. The cubic root of 348531047 is about 703.7425715716.

The spelling of 348531047 in words is "three hundred forty-eight million, five hundred thirty-one thousand, forty-seven".