321232023321031 has 4 divisors (see below), whose sum is σ = 321233100686352. Its totient is φ = 321230945955712.

The previous prime is 321232023320983. The next prime is 321232023321113. The reversal of 321232023321031 is 130123320232123.

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 321232023321031 - 2²¹ = 321232021223879 is a prime.

It is a super-2 number, since 2×321232023321031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321232023331031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538235290 + ... + 538831783.

It is an arithmetic number, because the mean of its divisors is an integer number (80308275171588).

Almost surely, 2^{321232023321031} is an apocalyptic number.

321232023321031 is a deficient number, since it is larger than the sum of its proper divisors (1077365321).

321232023321031 is a wasteful number, since it uses less digits than its factorization.

321232023321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077365320.

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

Adding to 321232023321031 its reverse (130123320232123), we get a palindrome (451355343553154).

The spelling of 321232023321031 in words is "three hundred twenty-one trillion, two hundred thirty-two billion, twenty-three million, three hundred twenty-one thousand, thirty-one".