312023201231 has 16 divisors (see below), whose sum is σ = 384095712000. Its totient is φ = 247479841728.

The previous prime is 312023201207. The next prime is 312023201239. The reversal of 312023201231 is 132102320213.

It is not a de Polignac number, because 312023201231 - 2¹⁰ = 312023200207 is a prime.

It is a super-2 number, since 2×312023201231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023201239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27273806 + ... + 27285243.

It is an arithmetic number, because the mean of its divisors is an integer number (24005982000).

Almost surely, 2^312023201231 is an apocalyptic number.

312023201231 is a deficient number, since it is larger than the sum of its proper divisors (72072510769).

312023201231 is a wasteful number, since it uses less digits than its factorization.

312023201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54559118.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312023201231 its reverse (132102320213), we get a palindrome (444125521444).

The spelling of 312023201231 in words is "three hundred twelve billion, twenty-three million, two hundred one thousand, two hundred thirty-one".