312330020311 has 4 divisors (see below), whose sum is σ = 312966130824. Its totient is φ = 311693909800.

The previous prime is 312330020309. The next prime is 312330020333. The reversal of 312330020311 is 113020033213.

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 312330020311 - 2¹ = 312330020309 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 (312330020711) 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, 318054520 + ... + 318055501.

It is an arithmetic number, because the mean of its divisors is an integer number (78241532706).

Almost surely, 2^312330020311 is an apocalyptic number.

312330020311 is a deficient number, since it is larger than the sum of its proper divisors (636110513).

312330020311 is an equidigital number, since it uses as much as digits as its factorization.

312330020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636110512.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312330020311 its reverse (113020033213), we get a palindrome (425350053524).

The spelling of 312330020311 in words is "three hundred twelve billion, three hundred thirty million, twenty thousand, three hundred eleven".