312130330223 has 4 divisors (see below), whose sum is σ = 328558242360. Its totient is φ = 295702418088.

The previous prime is 312130330201. The next prime is 312130330247. The reversal of 312130330223 is 322033031213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322033031213 = 5701 ⋅56487113.

It is a cyclic number.

It is not a de Polignac number, because 312130330223 - 2²⁶ = 312063221359 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 (312130330283) 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, 8213956040 + ... + 8213956077.

It is an arithmetic number, because the mean of its divisors is an integer number (82139560590).

Almost surely, 2^312130330223 is an apocalyptic number.

312130330223 is a deficient number, since it is larger than the sum of its proper divisors (16427912137).

312130330223 is a wasteful number, since it uses less digits than its factorization.

312130330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16427912136.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 312130330223 its reverse (322033031213), we get a palindrome (634163361436).

The spelling of 312130330223 in words is "three hundred twelve billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-three".