2131131201232 has 80 divisors (see below), whose sum is σ = 4801413672000. Its totient is φ = 905594808320.

The previous prime is 2131131201217. The next prime is 2131131201233. The reversal of 2131131201232 is 2321021311312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131131201233) 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 15 ways as a sum of consecutive naturals, for example, 1944382 + ... + 2835997.

It is an arithmetic number, because the mean of its divisors is an integer number (60017670900).

Almost surely, 2^{2131131201232} is an apocalyptic number.

2131131201232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2131131201232 is an abundant number, since it is smaller than the sum of its proper divisors (2670282470768).

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

2131131201232 is a wasteful number, since it uses less digits than its factorization.

2131131201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780564 (or 4780558 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131131201232 its reverse (2321021311312), we get a palindrome (4452152512544).

The spelling of 2131131201232 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty-two".