3103123311312 has 20 divisors (see below), whose sum is σ = 8016401887680. Its totient is φ = 1034374437088.

The previous prime is 3103123311293. The next prime is 3103123311313. The reversal of 3103123311312 is 2131133213013.

It is a super-3 number, since 3×3103123311312³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103123311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32324201112 + ... + 32324201207.

It is an arithmetic number, because the mean of its divisors is an integer number (400820094384).

Almost surely, 2^{3103123311312} is an apocalyptic number.

It is an amenable number.

3103123311312 is an abundant number, since it is smaller than the sum of its proper divisors (4913278576368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3103123311312 is a wasteful number, since it uses less digits than its factorization.

3103123311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64648402330 (or 64648402324 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 3103123311312 its reverse (2131133213013), we get a palindrome (5234256524325).

The spelling of 3103123311312 in words is "three trillion, one hundred three billion, one hundred twenty-three million, three hundred eleven thousand, three hundred twelve".