3131003203123 has 8 divisors (see below), whose sum is σ = 3154264893792. Its totient is φ = 3107747420736.

The previous prime is 3131003203099. The next prime is 3131003203129. The reversal of 3131003203123 is 3213023001313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3131003203123 - 2³⁷ = 2993564249651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131003203094 and 3131003203103.

It is not an unprimeable number, because it can be changed into a prime (3131003203129) 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, 410415 + ... + 2535832.

It is an arithmetic number, because the mean of its divisors is an integer number (394283111724).

Almost surely, 2^{3131003203123} is an apocalyptic number.

3131003203123 is a deficient number, since it is larger than the sum of its proper divisors (23261690669).

3131003203123 is a wasteful number, since it uses less digits than its factorization.

3131003203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954141.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3131003203123 its reverse (3213023001313), we get a palindrome (6344026204436).

The spelling of 3131003203123 in words is "three trillion, one hundred thirty-one billion, three million, two hundred three thousand, one hundred twenty-three".