3103123211321 has 8 divisors (see below), whose sum is σ = 3618802579200. Its totient is φ = 2659819895124.

The previous prime is 3103123211317. The next prime is 3103123211371. The reversal of 3103123211321 is 1231123213013.

It is not a de Polignac number, because 3103123211321 - 2² = 3103123211317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3103123211371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4523502881 + ... + 4523503566.

It is an arithmetic number, because the mean of its divisors is an integer number (452350322400).

Almost surely, 2^{3103123211321} is an apocalyptic number.

It is an amenable number.

3103123211321 is a deficient number, since it is larger than the sum of its proper divisors (515679367879).

3103123211321 is an frugal number, since it uses more digits than its factorization.

3103123211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047006468 (or 9047006454 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3103123211321 its reverse (1231123213013), we get a palindrome (4334246424334).

The spelling of 3103123211321 in words is "three trillion, one hundred three billion, one hundred twenty-three million, two hundred eleven thousand, three hundred twenty-one".