631360349 has 2 divisors, whose sum is σ = 631360350. Its totient is φ = 631360348.

The previous prime is 631360343. The next prime is 631360381. The reversal of 631360349 is 943063136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419512324 + 211848025 = 20482^2 + 14555^2 .

It is a cyclic number.

It is not a de Polignac number, because 631360349 - 2²⁸ = 362924893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631360343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315680174 + 315680175.

It is an arithmetic number, because the mean of its divisors is an integer number (315680175).

Almost surely, 2^631360349 is an apocalyptic number.

It is an amenable number.

631360349 is a deficient number, since it is larger than the sum of its proper divisors (1).

631360349 is an equidigital number, since it uses as much as digits as its factorization.

631360349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 631360349 is about 25126.8849840166. The cubic root of 631360349 is about 857.8784686493.

The spelling of 631360349 in words is "six hundred thirty-one million, three hundred sixty thousand, three hundred forty-nine".