312233220033 has 16 divisors (see below), whose sum is σ = 479994435456. Its totient is φ = 176840052480.

The previous prime is 312233220029. The next prime is 312233220137. The reversal of 312233220033 is 330022332213.

It is not a de Polignac number, because 312233220033 - 2² = 312233220029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312233219985 and 312233220012.

It is not an unprimeable number, because it can be changed into a prime (312233221033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65786338 + ... + 65791083.

It is an arithmetic number, because the mean of its divisors is an integer number (29999652216).

Almost surely, 2^312233220033 is an apocalyptic number.

It is an amenable number.

312233220033 is a deficient number, since it is larger than the sum of its proper divisors (167761215423).

312233220033 is a wasteful number, since it uses less digits than its factorization.

312233220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131577544.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 312233220033 its reverse (330022332213), we get a palindrome (642255552246).

The spelling of 312233220033 in words is "three hundred twelve billion, two hundred thirty-three million, two hundred twenty thousand, thirty-three".