311230345 has 8 divisors (see below), whose sum is σ = 382162176. Its totient is φ = 243193776.

The previous prime is 311230333. The next prime is 311230429. The reversal of 311230345 is 543032113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311230345 - 2¹¹ = 311228297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723577 + ... + 724006.

It is an arithmetic number, because the mean of its divisors is an integer number (47770272).

Almost surely, 2^311230345 is an apocalyptic number.

It is an amenable number.

311230345 is a deficient number, since it is larger than the sum of its proper divisors (70931831).

311230345 is a wasteful number, since it uses less digits than its factorization.

311230345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447631.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 311230345 is about 17641.7217130302. The cubic root of 311230345 is about 677.6841236468.

Adding to 311230345 its reverse (543032113), we get a palindrome (854262458).

The spelling of 311230345 in words is "three hundred eleven million, two hundred thirty thousand, three hundred forty-five".