2131340024123 has 8 divisors (see below), whose sum is σ = 2139624305280. Its totient is φ = 2123071721920.

The previous prime is 2131340024071. The next prime is 2131340024141. The reversal of 2131340024123 is 3214200431312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131340024123 - 2⁸ = 2131340023867 is a prime.

It is a super-2 number, since 2×2131340024123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131340024092 and 2131340024101.

It is not an unprimeable number, because it can be changed into a prime (2131340024323) 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, 3727418 + ... + 4261023.

It is an arithmetic number, because the mean of its divisors is an integer number (267453038160).

Almost surely, 2^{2131340024123} is an apocalyptic number.

2131340024123 is a deficient number, since it is larger than the sum of its proper divisors (8284281157).

2131340024123 is an equidigital number, since it uses as much as digits as its factorization.

2131340024123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7989477.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2131340024123 its reverse (3214200431312), we get a palindrome (5345540455435).

The spelling of 2131340024123 in words is "two trillion, one hundred thirty-one billion, three hundred forty million, twenty-four thousand, one hundred twenty-three".