31320330122123 has 16 divisors (see below), whose sum is σ = 36171953334720. Its totient is φ = 26563156125696.

The previous prime is 31320330122117. The next prime is 31320330122143. The reversal of 31320330122123 is 32122103302313.

It is not a de Polignac number, because 31320330122123 - 2¹² = 31320330118027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31320330122092 and 31320330122101.

It is not an unprimeable number, because it can be changed into a prime (31320330122143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304818 + ... + 8243351.

It is an arithmetic number, because the mean of its divisors is an integer number (2260747083420).

Almost surely, 2^{31320330122123} is an apocalyptic number.

31320330122123 is a deficient number, since it is larger than the sum of its proper divisors (4851623212597).

31320330122123 is a wasteful number, since it uses less digits than its factorization.

31320330122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10552646.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31320330122123 its reverse (32122103302313), we get a palindrome (63442433424436).

The spelling of 31320330122123 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty million, one hundred twenty-two thousand, one hundred twenty-three".