345706313 has 4 divisors (see below), whose sum is σ = 350575488. Its totient is φ = 340837140.

The previous prime is 345706289. The next prime is 345706321. The reversal of 345706313 is 313607543.

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: 313607543 = 5477 ⋅57259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345706313 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 345706313.

It is not an unprimeable number, because it can be changed into a prime (345706343) 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, 2434481 + ... + 2434622.

It is an arithmetic number, because the mean of its divisors is an integer number (87643872).

Almost surely, 2^345706313 is an apocalyptic number.

It is an amenable number.

345706313 is a deficient number, since it is larger than the sum of its proper divisors (4869175).

345706313 is an equidigital number, since it uses as much as digits as its factorization.

345706313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869174.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 345706313 is about 18593.1792063649. The cubic root of 345706313 is about 701.8362083812.

The spelling of 345706313 in words is "three hundred forty-five million, seven hundred six thousand, three hundred thirteen".