321023201112031 has 6 divisors (see below), whose sum is σ = 352860212792696. Its totient is φ = 291839273738100.

The previous prime is 321023201111993. The next prime is 321023201112049. The reversal of 321023201112031 is 130211102320123.

It is not a de Polignac number, because 321023201112031 - 2²¹ = 321023199014879 is a prime.

It is a super-2 number, since 2×321023201112031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321023201111993 and 321023201112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023201113031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1326542153235 + ... + 1326542153476.

Almost surely, 2^{321023201112031} is an apocalyptic number.

321023201112031 is a deficient number, since it is larger than the sum of its proper divisors (31837011680665).

321023201112031 is a wasteful number, since it uses less digits than its factorization.

321023201112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653084306733 (or 2653084306722 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 321023201112031 its reverse (130211102320123), we get a palindrome (451234303432154).

The spelling of 321023201112031 in words is "three hundred twenty-one trillion, twenty-three billion, two hundred one million, one hundred twelve thousand, thirty-one".