312131310310223 has 8 divisors (see below), whose sum is σ = 322898922028800. Its totient is φ = 301363996130848.

The previous prime is 312131310310163. The next prime is 312131310310231. The reversal of 312131310310223 is 322013013131213.

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 312131310310223 - 2¹⁰ = 312131310309199 is a prime.

It is a super-3 number, since 3×312131310310223³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312131310310192 and 312131310310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312131310310243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72249488 + ... + 76447701.

It is an arithmetic number, because the mean of its divisors is an integer number (40362365253600).

Almost surely, 2^{312131310310223} is an apocalyptic number.

312131310310223 is a deficient number, since it is larger than the sum of its proper divisors (10767611718577).

312131310310223 is a wasteful number, since it uses less digits than its factorization.

312131310310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148769601.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 312131310310223 its reverse (322013013131213), we get a palindrome (634144323441436).

The spelling of 312131310310223 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred ten million, three hundred ten thousand, two hundred twenty-three".