3123011312003 has 12 divisors (see below), whose sum is σ = 3434916712584. Its totient is φ = 2837293826400.

The previous prime is 3123011311909. The next prime is 3123011312011. The reversal of 3123011312003 is 3002131103213.

It is not a de Polignac number, because 3123011312003 - 2²⁴ = 3122994534787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123011512003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8024426 + ... + 8404607.

It is an arithmetic number, because the mean of its divisors is an integer number (286243059382).

Almost surely, 2^{3123011312003} is an apocalyptic number.

3123011312003 is a deficient number, since it is larger than the sum of its proper divisors (311905400581).

3123011312003 is a wasteful number, since it uses less digits than its factorization.

3123011312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430626 (or 16430615 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3123011312003 its reverse (3002131103213), we get a palindrome (6125142415216).

The spelling of 3123011312003 in words is "three trillion, one hundred twenty-three billion, eleven million, three hundred twelve thousand, three".