312323232321 has 32 divisors (see below), whose sum is σ = 489501440000. Its totient is φ = 196265474064.

The previous prime is 312323232301. The next prime is 312323232337. The reversal of 312323232321 is 123232323213.

312323232321 is a `hidden beast` number, since 3 + 12 + 3 + 2 + 323 + 2 + 321 = 666.

It is not a de Polignac number, because 312323232321 - 2⁶ = 312323232257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312323232301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427605 + ... + 1631778.

It is an arithmetic number, because the mean of its divisors is an integer number (15296920000).

Almost surely, 2^312323232321 is an apocalyptic number.

It is an amenable number.

312323232321 is a deficient number, since it is larger than the sum of its proper divisors (177178207679).

312323232321 is a wasteful number, since it uses less digits than its factorization.

312323232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059610 (or 3059604 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 312323232321 its reverse (123232323213), we get a palindrome (435555555534).

It can be divided in two parts, 312323 and 232321, that added together give a square (544644 = 738²).

The spelling of 312323232321 in words is "three hundred twelve billion, three hundred twenty-three million, two hundred thirty-two thousand, three hundred twenty-one".