4217998131 has 12 divisors (see below), whose sum is σ = 6318318552. Its totient is φ = 2811998592.

The previous prime is 4217998091. The next prime is 4217998139. The reversal of 4217998131 is 1318997124.

4217998131 is a `hidden beast` number, since 421 + 7 + 9 + 98 + 131 = 666.

4217998131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4217998131 - 2¹⁰ = 4217997107 is a prime.

It is a super-2 number, since 2×4217998131² = 35583016466238986322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4217998139) 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 in 11 ways as a sum of consecutive naturals, for example, 8678766 + ... + 8679251.

It is an arithmetic number, because the mean of its divisors is an integer number (526526546).

Almost surely, 2^4217998131 is an apocalyptic number.

4217998131 is a deficient number, since it is larger than the sum of its proper divisors (2100320421).

4217998131 is an equidigital number, since it uses as much as digits as its factorization.

4217998131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358032 (or 17358020 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 4217998131 is about 64946.1171356687. The cubic root of 4217998131 is about 1615.7300205523.

The spelling of 4217998131 in words is "four billion, two hundred seventeen million, nine hundred ninety-eight thousand, one hundred thirty-one".