2123130331003 has 4 divisors (see below), whose sum is σ = 2316142179288. Its totient is φ = 1930118482720.

The previous prime is 2123130330991. The next prime is 2123130331009. The reversal of 2123130331003 is 3001330313212.

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-2123130331003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123130331009) 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, 96505924126 + ... + 96505924147.

It is an arithmetic number, because the mean of its divisors is an integer number (579035544822).

Almost surely, 2^{2123130331003} is an apocalyptic number.

2123130331003 is a deficient number, since it is larger than the sum of its proper divisors (193011848285).

2123130331003 is a wasteful number, since it uses less digits than its factorization.

2123130331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193011848284.

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

Adding to 2123130331003 its reverse (3001330313212), we get a palindrome (5124460644215).

The spelling of 2123130331003 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, three hundred thirty-one thousand, three".