2131724968043 has 16 divisors (see below), whose sum is σ = 2358695327616. Its totient is φ = 1910313887040.

The previous prime is 2131724968027. The next prime is 2131724968057. The reversal of 2131724968043 is 3408694271312.

It is a cyclic number.

It is not a de Polignac number, because 2131724968043 - 2⁴ = 2131724968027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131724967982 and 2131724968000.

It is not an unprimeable number, because it can be changed into a prime (2131724968073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692180 + ... + 2177742.

It is an arithmetic number, because the mean of its divisors is an integer number (147418457976).

Almost surely, 2^{2131724968043} is an apocalyptic number.

2131724968043 is a deficient number, since it is larger than the sum of its proper divisors (226970359573).

2131724968043 is a wasteful number, since it uses less digits than its factorization.

2131724968043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487434.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 2131724968043 in words is "two trillion, one hundred thirty-one billion, seven hundred twenty-four million, nine hundred sixty-eight thousand, forty-three".