345431335 has 4 divisors (see below), whose sum is σ = 414517608. Its totient is φ = 276345064.

The previous prime is 345431321. The next prime is 345431351. The reversal of 345431335 is 533134543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345431335 - 2²¹ = 343334183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345431297 and 345431306.

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, 34543129 + ... + 34543138.

It is an arithmetic number, because the mean of its divisors is an integer number (103629402).

Almost surely, 2^345431335 is an apocalyptic number.

345431335 is a deficient number, since it is larger than the sum of its proper divisors (69086273).

345431335 is an equidigital number, since it uses as much as digits as its factorization.

345431335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69086272.

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

The square root of 345431335 is about 18585.7831419610. The cubic root of 345431335 is about 701.6500766842.

Adding to 345431335 its reverse (533134543), we get a palindrome (878565878).

The spelling of 345431335 in words is "three hundred forty-five million, four hundred thirty-one thousand, three hundred thirty-five".