2031313004123 has 32 divisors (see below), whose sum is σ = 2312114595840. Its totient is φ = 1770416968320.

The previous prime is 2031313004111. The next prime is 2031313004129. The reversal of 2031313004123 is 3214003131302.

It is not a de Polignac number, because 2031313004123 - 2⁴ = 2031313004107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031313004129) 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 31 ways as a sum of consecutive naturals, for example, 145805468 + ... + 145819398.

It is an arithmetic number, because the mean of its divisors is an integer number (72253581120).

Almost surely, 2^{2031313004123} is an apocalyptic number.

2031313004123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2031313004123 is a deficient number, since it is larger than the sum of its proper divisors (280801591717).

2031313004123 is a wasteful number, since it uses less digits than its factorization.

2031313004123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2031313004123 its reverse (3214003131302), we get a palindrome (5245316135425).

The spelling of 2031313004123 in words is "two trillion, thirty-one billion, three hundred thirteen million, four thousand, one hundred twenty-three".