631003141 has 12 divisors (see below), whose sum is σ = 657441252. Its totient is φ = 605583104.

The previous prime is 631003133. The next prime is 631003157. The reversal of 631003141 is 141300136.

It can be written as a sum of positive squares in 6 ways, for example, as 3500641 + 627502500 = 1871^2 + 25050^2 .

It is not a de Polignac number, because 631003141 - 2³ = 631003133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631003111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143325 + ... + 147661.

It is an arithmetic number, because the mean of its divisors is an integer number (54786771).

Almost surely, 2^631003141 is an apocalyptic number.

It is an amenable number.

631003141 is a deficient number, since it is larger than the sum of its proper divisors (26438111).

631003141 is a wasteful number, since it uses less digits than its factorization.

631003141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568 (or 4539 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 631003141 is about 25119.7758947010. The cubic root of 631003141 is about 857.7166493528.

Adding to 631003141 its reverse (141300136), we get a palindrome (772303277).

The spelling of 631003141 in words is "six hundred thirty-one million, three thousand, one hundred forty-one".