2131001300240 has 40 divisors (see below), whose sum is σ = 4959488595480. Its totient is φ = 851555690496.

The previous prime is 2131001300227. The next prime is 2131001300297. The reversal of 2131001300240 is 420031001312.

It can be written as a sum of positive squares in 4 ways, for example, as 454162775056 + 1676838525184 = 673916^2 + 1294928^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13119239 + ... + 13280678.

It is an arithmetic number, because the mean of its divisors is an integer number (123987214887).

Almost surely, 2^{2131001300240} is an apocalyptic number.

2131001300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131001300240 is an abundant number, since it is smaller than the sum of its proper divisors (2828487295240).

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

2131001300240 is a wasteful number, since it uses less digits than its factorization.

2131001300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26400939 (or 26400933 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2131001300240 its reverse (420031001312), we get a palindrome (2551032301552).

The spelling of 2131001300240 in words is "two trillion, one hundred thirty-one billion, one million, three hundred thousand, two hundred forty".