331221031322023 has 4 divisors (see below), whose sum is σ = 331303445118360. Its totient is φ = 331138617525688.

The previous prime is 331221031321997. The next prime is 331221031322047. The reversal of 331221031322023 is 320223130122133.

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 331221031322023 - 2⁵ = 331221031321991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331221031321982 and 331221031322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222031322023) 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, 41206892140 + ... + 41206900177.

It is an arithmetic number, because the mean of its divisors is an integer number (82825861279590).

Almost surely, 2^{331221031322023} is an apocalyptic number.

331221031322023 is a deficient number, since it is larger than the sum of its proper divisors (82413796337).

331221031322023 is an equidigital number, since it uses as much as digits as its factorization.

331221031322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82413796336.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331221031322023 its reverse (320223130122133), we get a palindrome (651444161444156).

The spelling of 331221031322023 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, thirty-one million, three hundred twenty-two thousand, twenty-three".