631045341 has 6 divisors (see below), whose sum is σ = 911509950. Its totient is φ = 420696888.

The previous prime is 631045313. The next prime is 631045351. The reversal of 631045341 is 143540136.

631045341 is a `hidden beast` number, since 6 + 310 + 4 + 5 + 341 = 666.

It can be written as a sum of positive squares in only one way, i.e., 439112025 + 191933316 = 20955^2 + 13854^2 .

It is not a de Polignac number, because 631045341 - 2⁹ = 631044829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631045351) 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 5 ways as a sum of consecutive naturals, for example, 35058066 + ... + 35058083.

It is an arithmetic number, because the mean of its divisors is an integer number (151918325).

Almost surely, 2^631045341 is an apocalyptic number.

It is an amenable number.

631045341 is a deficient number, since it is larger than the sum of its proper divisors (280464609).

631045341 is a wasteful number, since it uses less digits than its factorization.

631045341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70116155 (or 70116152 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 631045341 is about 25120.6158563042. The cubic root of 631045341 is about 857.7357696146.

Adding to 631045341 its reverse (143540136), we get a palindrome (774585477).

The spelling of 631045341 in words is "six hundred thirty-one million, forty-five thousand, three hundred forty-one".