2131543204036 has 24 divisors (see below), whose sum is σ = 3753546077120. Its totient is φ = 1059103073952.

The previous prime is 2131543204031. The next prime is 2131543204061. The reversal of 2131543204036 is 6304023451312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131543203992 and 2131543204010.

It is not an unprimeable number, because it can be changed into a prime (2131543204031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226145 + ... + 5619223.

Almost surely, 2^{2131543204036} is an apocalyptic number.

It is an amenable number.

2131543204036 is a deficient number, since it is larger than the sum of its proper divisors (1622002873084).

2131543204036 is a wasteful number, since it uses less digits than its factorization.

2131543204036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401563 (or 401561 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 2131543204036 its reverse (6304023451312), we get a palindrome (8435566655348).

The spelling of 2131543204036 in words is "two trillion, one hundred thirty-one billion, five hundred forty-three million, two hundred four thousand, thirty-six".