631131041 has 8 divisors (see below), whose sum is σ = 637114368. Its totient is φ = 625176000.

The previous prime is 631131023. The next prime is 631131043. The reversal of 631131041 is 140131136.

631131041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 631131041 - 2¹⁴ = 631114657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631131043) 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, 39176 + ... + 52886.

It is an arithmetic number, because the mean of its divisors is an integer number (79639296).

Almost surely, 2^631131041 is an apocalyptic number.

It is an amenable number.

631131041 is a deficient number, since it is larger than the sum of its proper divisors (5983327).

631131041 is a wasteful number, since it uses less digits than its factorization.

631131041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 631131041 is about 25122.3215686767. The cubic root of 631131041 is about 857.7745965278.

Adding to 631131041 its reverse (140131136), we get a palindrome (771262177).

The spelling of 631131041 in words is "six hundred thirty-one million, one hundred thirty-one thousand, forty-one".