331123131103 has 4 divisors (see below), whose sum is σ = 331175258208. Its totient is φ = 331071004000.

The previous prime is 331123131067. The next prime is 331123131121. The reversal of 331123131103 is 301131321133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301131321133 = 2459 ⋅122460887.

It is a cyclic number.

It is not a de Polignac number, because 331123131103 - 2¹⁷ = 331123000031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331123131193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26054023 + ... + 26066728.

It is an arithmetic number, because the mean of its divisors is an integer number (82793814552).

Almost surely, 2^331123131103 is an apocalyptic number.

331123131103 is a deficient number, since it is larger than the sum of its proper divisors (52127105).

331123131103 is an equidigital number, since it uses as much as digits as its factorization.

331123131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52127104.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 331123131103 its reverse (301131321133), we get a palindrome (632254452236).

The spelling of 331123131103 in words is "three hundred thirty-one billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred three".