241521131 has 4 divisors (see below), whose sum is σ = 245125992. Its totient is φ = 237916272.

The previous prime is 241521121. The next prime is 241521139. The reversal of 241521131 is 131125142.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131125142 = 2 ⋅65562571.

It is a cyclic number.

It is not a de Polignac number, because 241521131 - 2¹⁰ = 241520107 is a prime.

It is a super-2 number, since 2×241521131² = 116664913439038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241521139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802330 + ... + 1802463.

It is an arithmetic number, because the mean of its divisors is an integer number (61281498).

Almost surely, 2^241521131 is an apocalyptic number.

241521131 is a deficient number, since it is larger than the sum of its proper divisors (3604861).

241521131 is an equidigital number, since it uses as much as digits as its factorization.

241521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604860.

The product of its digits is 240, while the sum is 20.

The square root of 241521131 is about 15540.9501318291. The cubic root of 241521131 is about 622.7566559392.

Adding to 241521131 its reverse (131125142), we get a palindrome (372646273).

The spelling of 241521131 in words is "two hundred forty-one million, five hundred twenty-one thousand, one hundred thirty-one".