3131023123003 has 4 divisors (see below), whose sum is σ = 3134693725408. Its totient is φ = 3127352520600.

The previous prime is 3131023122989. The next prime is 3131023123021. The reversal of 3131023123003 is 3003213201313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131023123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131023183003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835299923 + ... + 1835301628.

It is an arithmetic number, because the mean of its divisors is an integer number (783673431352).

Almost surely, 2^{3131023123003} is an apocalyptic number.

3131023123003 is a deficient number, since it is larger than the sum of its proper divisors (3670602405).

3131023123003 is an equidigital number, since it uses as much as digits as its factorization.

3131023123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670602404.

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

Adding to 3131023123003 its reverse (3003213201313), we get a palindrome (6134236324316).

The spelling of 3131023123003 in words is "three trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-three thousand, three".