347340013 has 4 divisors (see below), whose sum is σ = 349280640. Its totient is φ = 345399388.

The previous prime is 347340001. The next prime is 347340031. The reversal of 347340013 is 310043743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310043743 = 631 ⋅491353.

It is a cyclic number.

It is not a de Polignac number, because 347340013 - 2²¹ = 345242861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 347340013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347340913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970045 + ... + 970402.

It is an arithmetic number, because the mean of its divisors is an integer number (87320160).

Almost surely, 2^347340013 is an apocalyptic number.

It is an amenable number.

347340013 is a deficient number, since it is larger than the sum of its proper divisors (1940627).

347340013 is a wasteful number, since it uses less digits than its factorization.

347340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940626.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 347340013 is about 18637.0602027251. The cubic root of 347340013 is about 702.9400243041.

Adding to 347340013 its reverse (310043743), we get a palindrome (657383756).

The spelling of 347340013 in words is "three hundred forty-seven million, three hundred forty thousand, thirteen".