3123031213233 has 12 divisors (see below), whose sum is σ = 4511204579700. Its totient is φ = 2081947196256.

The previous prime is 3123031213229. The next prime is 3123031213249. The reversal of 3123031213233 is 3323121303213.

3123031213233 is a `hidden beast` number, since 3 + 1 + 2 + 303 + 121 + 3 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 852202229904 + 2270828983329 = 923148^2 + 1506927^2 .

It is not a de Polignac number, because 3123031213233 - 2² = 3123031213229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123031213197 and 3123031213206.

It is not an unprimeable number, because it can be changed into a prime (3123031213933) 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 11 ways as a sum of consecutive naturals, for example, 5865066 + ... + 6375347.

It is an arithmetic number, because the mean of its divisors is an integer number (375933714975).

Almost surely, 2^{3123031213233} is an apocalyptic number.

It is an amenable number.

3123031213233 is a deficient number, since it is larger than the sum of its proper divisors (1388173366467).

3123031213233 is a wasteful number, since it uses less digits than its factorization.

3123031213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268768 (or 12268765 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 3123031213233 its reverse (3323121303213), we get a palindrome (6446152516446).

The spelling of 3123031213233 in words is "three trillion, one hundred twenty-three billion, thirty-one million, two hundred thirteen thousand, two hundred thirty-three".