2313211220033 has 16 divisors (see below), whose sum is σ = 2777126342400. Its totient is φ = 1883817329856.

The previous prime is 2313211220027. The next prime is 2313211220081. The reversal of 2313211220033 is 3300221123132.

It is not a de Polignac number, because 2313211220033 - 2¹⁴ = 2313211203649 is a prime.

It is a super-2 number, since 2×2313211220033² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2313211219990 and 2313211220008.

It is not an unprimeable number, because it can be changed into a prime (2313211220083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48190010 + ... + 48237987.

It is an arithmetic number, because the mean of its divisors is an integer number (173570396400).

Almost surely, 2^{2313211220033} is an apocalyptic number.

2313211220033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2313211220033 is a deficient number, since it is larger than the sum of its proper divisors (463915122367).

2313211220033 is a wasteful number, since it uses less digits than its factorization.

2313211220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96428176.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2313211220033 its reverse (3300221123132), we get a palindrome (5613432343165).

The spelling of 2313211220033 in words is "two trillion, three hundred thirteen billion, two hundred eleven million, two hundred twenty thousand, thirty-three".