31241012241 has 4 divisors (see below), whose sum is σ = 41654682992. Its totient is φ = 20827341492.

The previous prime is 31241012191. The next prime is 31241012249. The reversal of 31241012241 is 14221014213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31241012241 - 2⁶ = 31241012177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31241012249) 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, 5206835371 + ... + 5206835376.

It is an arithmetic number, because the mean of its divisors is an integer number (10413670748).

Almost surely, 2^31241012241 is an apocalyptic number.

It is an amenable number.

31241012241 is a deficient number, since it is larger than the sum of its proper divisors (10413670751).

31241012241 is a wasteful number, since it uses less digits than its factorization.

31241012241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413670750.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31241012241 its reverse (14221014213), we get a palindrome (45462026454).

The spelling of 31241012241 in words is "thirty-one billion, two hundred forty-one million, twelve thousand, two hundred forty-one".