631106241 has 4 divisors (see below), whose sum is σ = 841474992. Its totient is φ = 420737492.

The previous prime is 631106239. The next prime is 631106309. The reversal of 631106241 is 142601136.

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 a cyclic number.

It is not a de Polignac number, because 631106241 - 2¹ = 631106239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631106221) 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, 105184371 + ... + 105184376.

It is an arithmetic number, because the mean of its divisors is an integer number (210368748).

Almost surely, 2^631106241 is an apocalyptic number.

It is an amenable number.

631106241 is a deficient number, since it is larger than the sum of its proper divisors (210368751).

631106241 is a wasteful number, since it uses less digits than its factorization.

631106241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210368750.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 631106241 is about 25121.8279788713. The cubic root of 631106241 is about 857.7633610964.

Adding to 631106241 its reverse (142601136), we get a palindrome (773707377).

The spelling of 631106241 in words is "six hundred thirty-one million, one hundred six thousand, two hundred forty-one".