4561307723131 has 2 divisors, whose sum is σ = 4561307723132. Its totient is φ = 4561307723130.

The previous prime is 4561307723123. The next prime is 4561307723197. The reversal of 4561307723131 is 1313277031654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4561307723131 - 2³ = 4561307723123 is a prime.

It is a super-2 number, since 2×4561307723131² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4561307223131) by changing a digit.

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 as a sum of consecutive naturals, namely, 2280653861565 + 2280653861566.

It is an arithmetic number, because the mean of its divisors is an integer number (2280653861566).

Almost surely, 2^{4561307723131} is an apocalyptic number.

4561307723131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561307723131 is an equidigital number, since it uses as much as digits as its factorization.

4561307723131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 4561307723131 in words is "four trillion, five hundred sixty-one billion, three hundred seven million, seven hundred twenty-three thousand, one hundred thirty-one".