241531253021 has 16 divisors (see below), whose sum is σ = 254594036736. Its totient is φ = 228687250176.

The previous prime is 241531253017. The next prime is 241531253027. The reversal of 241531253021 is 120352135142.

It is a cyclic number.

It is not a de Polignac number, because 241531253021 - 2² = 241531253017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241531253027) 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, 1948916 + ... + 2069138.

It is an arithmetic number, because the mean of its divisors is an integer number (15912127296).

Almost surely, 2^241531253021 is an apocalyptic number.

It is an amenable number.

241531253021 is a deficient number, since it is larger than the sum of its proper divisors (13062783715).

241531253021 is a wasteful number, since it uses less digits than its factorization.

241531253021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121132.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 241531253021 its reverse (120352135142), we get a palindrome (361883388163).

The spelling of 241531253021 in words is "two hundred forty-one billion, five hundred thirty-one million, two hundred fifty-three thousand, twenty-one".