31541242241 has 8 divisors (see below), whose sum is σ = 31646409984. Its totient is φ = 31436244000.

The previous prime is 31541242219. The next prime is 31541242273. The reversal of 31541242241 is 14224214513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31541242241 - 2³⁰ = 30467500417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31541242541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336005 + ... + 419501.

It is an arithmetic number, because the mean of its divisors is an integer number (3955801248).

Almost surely, 2^31541242241 is an apocalyptic number.

It is an amenable number.

31541242241 is a deficient number, since it is larger than the sum of its proper divisors (105167743).

31541242241 is an equidigital number, since it uses as much as digits as its factorization.

31541242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84751.

The product of its digits is 7680, while the sum is 29.

Adding to 31541242241 its reverse (14224214513), we get a palindrome (45765456754).

The spelling of 31541242241 in words is "thirty-one billion, five hundred forty-one million, two hundred forty-two thousand, two hundred forty-one".