631042363 has 32 divisors (see below), whose sum is σ = 788755968. Its totient is φ = 492480000.

The previous prime is 631042361. The next prime is 631042367. The reversal of 631042363 is 363240136.

It is a cyclic number.

It is not a de Polignac number, because 631042363 - 2¹ = 631042361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631042361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1104868 + ... + 1105438.

It is an arithmetic number, because the mean of its divisors is an integer number (24648624).

Almost surely, 2^631042363 is an apocalyptic number.

631042363 is a deficient number, since it is larger than the sum of its proper divisors (157713605).

631042363 is a wasteful number, since it uses less digits than its factorization.

631042363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 631042363 is about 25120.5565822097. The cubic root of 631042363 is about 857.7344203502.

Adding to 631042363 its reverse (363240136), we get a palindrome (994282499).

The spelling of 631042363 in words is "six hundred thirty-one million, forty-two thousand, three hundred sixty-three".