312323313332231 has 32 divisors (see below), whose sum is σ = 338041442188800. Its totient is φ = 287587637568000.

The previous prime is 312323313332201. The next prime is 312323313332389. The reversal of 312323313332231 is 132233313323213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312323313332231 - 2³⁴ = 312306133463047 is a prime.

It is a super-2 number, since 2×312323313332231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312323313332191 and 312323313332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323313332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199217416 + ... + 1199477826.

It is an arithmetic number, because the mean of its divisors is an integer number (10563795068400).

Almost surely, 2^{312323313332231} is an apocalyptic number.

312323313332231 is a deficient number, since it is larger than the sum of its proper divisors (25718128856569).

312323313332231 is a wasteful number, since it uses less digits than its factorization.

312323313332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266231.

The product of its digits is 104976, while the sum is 35.

Adding to 312323313332231 its reverse (132233313323213), we get a palindrome (444556626655444).

The spelling of 312323313332231 in words is "three hundred twelve trillion, three hundred twenty-three billion, three hundred thirteen million, three hundred thirty-two thousand, two hundred thirty-one".