213988418131 has 2 divisors, whose sum is σ = 213988418132. Its totient is φ = 213988418130.

The previous prime is 213988418081. The next prime is 213988418177. The reversal of 213988418131 is 131814889312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213988418131 - 2²⁵ = 213954863699 is a prime.

It is a super-2 number, since 2×213988418131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213988418191) 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, 106994209065 + 106994209066.

It is an arithmetic number, because the mean of its divisors is an integer number (106994209066).

Almost surely, 2^213988418131 is an apocalyptic number.

213988418131 is a deficient number, since it is larger than the sum of its proper divisors (1).

213988418131 is an equidigital number, since it uses as much as digits as its factorization.

213988418131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 49.

The spelling of 213988418131 in words is "two hundred thirteen billion, nine hundred eighty-eight million, four hundred eighteen thousand, one hundred thirty-one".