2233031323021 has 4 divisors (see below), whose sum is σ = 2233034318844. Its totient is φ = 2233028327200.

The previous prime is 2233031323007. The next prime is 2233031323031. The reversal of 2233031323021 is 1203231303322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2131267132996 + 101764190025 = 1459886^2 + 319005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233031323021 - 2²⁷ = 2232897105293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233031323031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593751 + ... + 2195131.

It is an arithmetic number, because the mean of its divisors is an integer number (558258579711).

Almost surely, 2^{2233031323021} is an apocalyptic number.

It is an amenable number.

2233031323021 is a deficient number, since it is larger than the sum of its proper divisors (2995823).

2233031323021 is a wasteful number, since it uses less digits than its factorization.

2233031323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995822.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2233031323021 its reverse (1203231303322), we get a palindrome (3436262626343).

The spelling of 2233031323021 in words is "two trillion, two hundred thirty-three billion, thirty-one million, three hundred twenty-three thousand, twenty-one".