345320335 has 4 divisors (see below), whose sum is σ = 414384408. Its totient is φ = 276256264.

The previous prime is 345320317. The next prime is 345320347. The reversal of 345320335 is 533023543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533023543 = 13 ⋅41001811.

It is a cyclic number.

It is not a de Polignac number, because 345320335 - 2¹¹ = 345318287 is a prime.

It is a super-2 number, since 2×345320335² = 238492267529024450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34532029 + ... + 34532038.

It is an arithmetic number, because the mean of its divisors is an integer number (103596102).

Almost surely, 2^345320335 is an apocalyptic number.

345320335 is a deficient number, since it is larger than the sum of its proper divisors (69064073).

345320335 is an equidigital number, since it uses as much as digits as its factorization.

345320335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69064072.

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 345320335 is about 18582.7967486060. The cubic root of 345320335 is about 701.5749131670.

Adding to 345320335 its reverse (533023543), we get a palindrome (878343878).

The spelling of 345320335 in words is "three hundred forty-five million, three hundred twenty thousand, three hundred thirty-five".