4241218531 has 16 divisors (see below), whose sum is σ = 5056985088. Its totient is φ = 3511785600.

The previous prime is 4241218517. The next prime is 4241218559. The reversal of 4241218531 is 1358121424.

It is a cyclic number.

It is not a de Polignac number, because 4241218531 - 2²⁵ = 4207664099 is a prime.

It is a super-2 number, since 2×4241218531² = 35975869255395595922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4241218493 and 4241218502.

It is not an unprimeable number, because it can be changed into a prime (4241218031) 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, 360015 + ... + 371608.

It is an arithmetic number, because the mean of its divisors is an integer number (316061568).

Almost surely, 2^4241218531 is an apocalyptic number.

4241218531 is a deficient number, since it is larger than the sum of its proper divisors (815766557).

4241218531 is a wasteful number, since it uses less digits than its factorization.

4241218531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731682.

The product of its digits is 7680, while the sum is 31.

The square root of 4241218531 is about 65124.6384327775. The cubic root of 4241218531 is about 1618.6895019384.

Adding to 4241218531 its reverse (1358121424), we get a palindrome (5599339955).

The spelling of 4241218531 in words is "four billion, two hundred forty-one million, two hundred eighteen thousand, five hundred thirty-one".