241531320051 has 12 divisors (see below), whose sum is σ = 398718369712. Its totient is φ = 138017897136.

The previous prime is 241531320013. The next prime is 241531320083. The reversal of 241531320051 is 150023135142.

241531320051 is a `hidden beast` number, since 241 + 53 + 1 + 320 + 0 + 51 = 666.

It is not a de Polignac number, because 241531320051 - 2²² = 241527125747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 241531319997 and 241531320024.

It is not an unprimeable number, because it can be changed into a prime (241531320451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916915176 + ... + 1916915301.

Almost surely, 2^241531320051 is an apocalyptic number.

241531320051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

241531320051 is a deficient number, since it is larger than the sum of its proper divisors (157187049661).

241531320051 is a wasteful number, since it uses less digits than its factorization.

241531320051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833830490 (or 3833830487 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 241531320051 its reverse (150023135142), we get a palindrome (391554455193).

The spelling of 241531320051 in words is "two hundred forty-one billion, five hundred thirty-one million, three hundred twenty thousand, fifty-one".