241561431 has 12 divisors (see below), whose sum is σ = 349555752. Its totient is φ = 160748496.

The previous prime is 241561429. The next prime is 241561447. The reversal of 241561431 is 134165142.

It is a happy number.

241561431 is a `hidden beast` number, since 2 + 4 + 15 + 614 + 31 = 666.

It is not a de Polignac number, because 241561431 - 2¹ = 241561429 is a prime.

It is a super-2 number, since 2×241561431² = 116703849893535522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 241561395 and 241561404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241561531) 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, 19081 + ... + 29106.

It is an arithmetic number, because the mean of its divisors is an integer number (29129646).

Almost surely, 2^241561431 is an apocalyptic number.

241561431 is a deficient number, since it is larger than the sum of its proper divisors (107994321).

241561431 is a wasteful number, since it uses less digits than its factorization.

241561431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48750 (or 48747 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 241561431 is about 15542.2466522701. The cubic root of 241561431 is about 622.7912915525.

The spelling of 241561431 in words is "two hundred forty-one million, five hundred sixty-one thousand, four hundred thirty-one".