218737740131 has 2 divisors, whose sum is σ = 218737740132. Its totient is φ = 218737740130.

The previous prime is 218737740101. The next prime is 218737740161. The reversal of 218737740131 is 131047737812.

218737740131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (218737740101) and next prime (218737740161).

It is a cyclic number.

It is not a de Polignac number, because 218737740131 - 2³⁴ = 201557870947 is a prime.

It is a super-2 number, since 2×218737740131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (218737740101) 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 as a sum of consecutive naturals, namely, 109368870065 + 109368870066.

It is an arithmetic number, because the mean of its divisors is an integer number (109368870066).

Almost surely, 2^218737740131 is an apocalyptic number.

218737740131 is a deficient number, since it is larger than the sum of its proper divisors (1).

218737740131 is an equidigital number, since it uses as much as digits as its factorization.

218737740131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 218737740131 in words is "two hundred eighteen billion, seven hundred thirty-seven million, seven hundred forty thousand, one hundred thirty-one".