3123100113312 has 48 divisors (see below), whose sum is σ = 8232155027712. Its totient is φ = 1036713722880.

The previous prime is 3123100113283. The next prime is 3123100113323. The reversal of 3123100113312 is 2133110013213.

It is a happy number.

3123100113312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67471248 + ... + 67517519.

It is an arithmetic number, because the mean of its divisors is an integer number (171503229744).

Almost surely, 2^{3123100113312} is an apocalyptic number.

3123100113312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3123100113312 is an abundant number, since it is smaller than the sum of its proper divisors (5109054914400).

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

3123100113312 is a wasteful number, since it uses less digits than its factorization.

3123100113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134989021 (or 134989013 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3123100113312 its reverse (2133110013213), we get a palindrome (5256210126525).

The spelling of 3123100113312 in words is "three trillion, one hundred twenty-three billion, one hundred million, one hundred thirteen thousand, three hundred twelve".