3213235345 has 4 divisors (see below), whose sum is σ = 3855882420. Its totient is φ = 2570588272.

The previous prime is 3213235327. The next prime is 3213235387. The reversal of 3213235345 is 5435323123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435323123 = 97 ⋅56034259.

It can be written as a sum of positive squares in 2 ways, for example, as 1007618049 + 2205617296 = 31743^2 + 46964^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213235345 - 2¹³ = 3213227153 is a prime.

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, 321323530 + ... + 321323539.

It is an arithmetic number, because the mean of its divisors is an integer number (963970605).

Almost surely, 2^3213235345 is an apocalyptic number.

It is an amenable number.

3213235345 is a deficient number, since it is larger than the sum of its proper divisors (642647075).

3213235345 is an equidigital number, since it uses as much as digits as its factorization.

3213235345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642647074.

The product of its digits is 32400, while the sum is 31.

The square root of 3213235345 is about 56685.4068081019. The cubic root of 3213235345 is about 1475.6414477138.

Adding to 3213235345 its reverse (5435323123), we get a palindrome (8648558468).

The spelling of 3213235345 in words is "three billion, two hundred thirteen million, two hundred thirty-five thousand, three hundred forty-five".