2131023310203 has 32 divisors (see below), whose sum is σ = 2925685002240. Its totient is φ = 1379326309920.

The previous prime is 2131023310127. The next prime is 2131023310211. The reversal of 2131023310203 is 3020133201312.

It is not a de Polignac number, because 2131023310203 - 2¹⁶ = 2131023244667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131023310203.

It is not an unprimeable number, because it can be changed into a prime (2131023312203) 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, 3042618 + ... + 3676896.

It is an arithmetic number, because the mean of its divisors is an integer number (91427656320).

Almost surely, 2^{2131023310203} is an apocalyptic number.

2131023310203 is a deficient number, since it is larger than the sum of its proper divisors (794661692037).

2131023310203 is a wasteful number, since it uses less digits than its factorization.

2131023310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634599.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131023310203 its reverse (3020133201312), we get a palindrome (5151156511515).

The spelling of 2131023310203 in words is "two trillion, one hundred thirty-one billion, twenty-three million, three hundred ten thousand, two hundred three".