312033412331 has 8 divisors (see below), whose sum is σ = 329661126720. Its totient is φ = 294863560768.

The previous prime is 312033412297. The next prime is 312033412343. The reversal of 312033412331 is 133214330213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-312033412331 is a prime.

It is a super-2 number, since 2×312033412331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312033412331.

It is not an unprimeable number, because it can be changed into a prime (312033411331) 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, 114464306 + ... + 114467031.

It is an arithmetic number, because the mean of its divisors is an integer number (41207640840).

Almost surely, 2^312033412331 is an apocalyptic number.

312033412331 is a deficient number, since it is larger than the sum of its proper divisors (17627714389).

312033412331 is a wasteful number, since it uses less digits than its factorization.

312033412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228931413.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 312033412331 its reverse (133214330213), we get a palindrome (445247742544).

The spelling of 312033412331 in words is "three hundred twelve billion, thirty-three million, four hundred twelve thousand, three hundred thirty-one".