13031121022123 has 2 divisors, whose sum is σ = 13031121022124. Its totient is φ = 13031121022122.

The previous prime is 13031121022111. The next prime is 13031121022147. The reversal of 13031121022123 is 32122012113031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13031121022123 - 2¹³ = 13031121013931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13031121022094 and 13031121022103.

It is not a weakly prime, because it can be changed into another prime (13031121022103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515560511061 + 6515560511062.

It is an arithmetic number, because the mean of its divisors is an integer number (6515560511062).

Almost surely, 2^{13031121022123} is an apocalyptic number.

13031121022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031121022123 is an equidigital number, since it uses as much as digits as its factorization.

13031121022123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 13031121022123 its reverse (32122012113031), we get a palindrome (45153133135154).

The spelling of 13031121022123 in words is "thirteen trillion, thirty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-three".