670304311 has 4 divisors (see below), whose sum is σ = 671219512. Its totient is φ = 669389112.

The previous prime is 670304291. The next prime is 670304317. The reversal of 670304311 is 113403076.

670304311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670304311 - 2⁵ = 670304279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670304317) 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, 456501 + ... + 457966.

It is an arithmetic number, because the mean of its divisors is an integer number (167804878).

Almost surely, 2^670304311 is an apocalyptic number.

670304311 is a deficient number, since it is larger than the sum of its proper divisors (915201).

670304311 is an equidigital number, since it uses as much as digits as its factorization.

670304311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915200.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 670304311 is about 25890.2358235687. The cubic root of 670304311 is about 875.1664710747.

Adding to 670304311 its reverse (113403076), we get a palindrome (783707387).

The spelling of 670304311 in words is "six hundred seventy million, three hundred four thousand, three hundred eleven".