2131543203988 has 24 divisors (see below), whose sum is σ = 4081036899744. Its totient is φ = 966091096800.

The previous prime is 2131543203973. The next prime is 2131543203989. The reversal of 2131543203988 is 8893023451312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131543203989) 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, 69789003 + ... + 69819538.

It is an arithmetic number, because the mean of its divisors is an integer number (170043204156).

Almost surely, 2^{2131543203988} is an apocalyptic number.

It is an amenable number.

2131543203988 is a deficient number, since it is larger than the sum of its proper divisors (1949493695756).

2131543203988 is a wasteful number, since it uses less digits than its factorization.

2131543203988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139608903 (or 139608901 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 2131543203988 in words is "two trillion, one hundred thirty-one billion, five hundred forty-three million, two hundred three thousand, nine hundred eighty-eight".