30331122440023 has 4 divisors (see below), whose sum is σ = 30549331954120. Its totient is φ = 30112912925928.

The previous prime is 30331122440011. The next prime is 30331122440051. The reversal of 30331122440023 is 32004422113303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30331122440023 - 2¹⁷ = 30331122308951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30331122439973 and 30331122440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331122440053) 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, 109104756840 + ... + 109104757117.

It is an arithmetic number, because the mean of its divisors is an integer number (7637332988530).

Almost surely, 2^{30331122440023} is an apocalyptic number.

30331122440023 is a deficient number, since it is larger than the sum of its proper divisors (218209514097).

30331122440023 is a wasteful number, since it uses less digits than its factorization.

30331122440023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218209514096.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 30331122440023 its reverse (32004422113303), we get a palindrome (62335544553326).

The spelling of 30331122440023 in words is "thirty trillion, three hundred thirty-one billion, one hundred twenty-two million, four hundred forty thousand, twenty-three".