312132220323 has 128 divisors (see below), whose sum is σ = 548226662400. Its totient is φ = 153158016000.

The previous prime is 312132220289. The next prime is 312132220373. The reversal of 312132220323 is 323022231213.

It is not a de Polignac number, because 312132220323 - 2¹³ = 312132212131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312132220293 and 312132220302.

It is not an unprimeable number, because it can be changed into a prime (312132220373) 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 127 ways as a sum of consecutive naturals, for example, 385824343 + ... + 385825151.

It is an arithmetic number, because the mean of its divisors is an integer number (4283020800).

Almost surely, 2^312132220323 is an apocalyptic number.

312132220323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

312132220323 is a deficient number, since it is larger than the sum of its proper divisors (236094442077).

312132220323 is a wasteful number, since it uses less digits than its factorization.

312132220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312132220323 its reverse (323022231213), we get a palindrome (635154451536).

The spelling of 312132220323 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred twenty thousand, three hundred twenty-three".