2131303231232 has 72 divisors (see below), whose sum is σ = 4975106269056. Its totient is φ = 892173413376.

The previous prime is 2131303231229. The next prime is 2131303231237. The reversal of 2131303231232 is 2321323031312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131303231237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13752518 + ... + 13906629.

Almost surely, 2^{2131303231232} is an apocalyptic number.

It is an amenable number.

2131303231232 is an abundant number, since it is smaller than the sum of its proper divisors (2843803037824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131303231232 is an equidigital number, since it uses as much as digits as its factorization.

2131303231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27659213 (or 27659199 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2131303231232 its reverse (2321323031312), we get a palindrome (4452626262544).

The spelling of 2131303231232 in words is "two trillion, one hundred thirty-one billion, three hundred three million, two hundred thirty-one thousand, two hundred thirty-two".