2131100032003 has 4 divisors (see below), whose sum is σ = 2151016854840. Its totient is φ = 2111183209168.

The previous prime is 2131100031961. The next prime is 2131100032027. The reversal of 2131100032003 is 3002300011312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131100032003 - 2⁹ = 2131100031491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131107032003) 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, 9958411258 + ... + 9958411471.

It is an arithmetic number, because the mean of its divisors is an integer number (537754213710).

Almost surely, 2^{2131100032003} is an apocalyptic number.

2131100032003 is a deficient number, since it is larger than the sum of its proper divisors (19916822837).

2131100032003 is a wasteful number, since it uses less digits than its factorization.

2131100032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19916822836.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2131100032003 its reverse (3002300011312), we get a palindrome (5133400043315).

The spelling of 2131100032003 in words is "two trillion, one hundred thirty-one billion, one hundred million, thirty-two thousand, three".