2131543204005 has 16 divisors (see below), whose sum is σ = 3410487400320. Its totient is φ = 1136816950848.

The previous prime is 2131543204003. The next prime is 2131543204031. The reversal of 2131543204005 is 5004023451312.

It is not a de Polignac number, because 2131543204005 - 2¹ = 2131543204003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131543204003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4695064 + ... + 5129006.

It is an arithmetic number, because the mean of its divisors is an integer number (213155462520).

Almost surely, 2^{2131543204005} is an apocalyptic number.

It is an amenable number.

2131543204005 is a deficient number, since it is larger than the sum of its proper divisors (1278944196315).

2131543204005 is a wasteful number, since it uses less digits than its factorization.

2131543204005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761420.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2131543204005 its reverse (5004023451312), we get a palindrome (7135566655317).

The spelling of 2131543204005 in words is "two trillion, one hundred thirty-one billion, five hundred forty-three million, two hundred four thousand, five".