345315313 has 4 divisors (see below), whose sum is σ = 394646080. Its totient is φ = 295984548.

The previous prime is 345315287. The next prime is 345315343. The reversal of 345315313 is 313513543.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345315313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345315343) 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, 24665373 + ... + 24665386.

It is an arithmetic number, because the mean of its divisors is an integer number (98661520).

Almost surely, 2^345315313 is an apocalyptic number.

It is an amenable number.

345315313 is a deficient number, since it is larger than the sum of its proper divisors (49330767).

345315313 is an equidigital number, since it uses as much as digits as its factorization.

345315313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49330766.

The product of its digits is 8100, while the sum is 28.

The square root of 345315313 is about 18582.6616231368. The cubic root of 345315313 is about 701.5715121449.

Adding to 345315313 its reverse (313513543), we get a palindrome (658828856).

The spelling of 345315313 in words is "three hundred forty-five million, three hundred fifteen thousand, three hundred thirteen".