631602341 has 4 divisors (see below), whose sum is σ = 631665900. Its totient is φ = 631538784.

The previous prime is 631602337. The next prime is 631602359. The reversal of 631602341 is 143206136.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 32821441 + 598780900 = 5729^2 + 24470^2 .

It is a cyclic number.

It is not a de Polignac number, because 631602341 - 2² = 631602337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 631602341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631604341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13286 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (157916475).

Almost surely, 2^631602341 is an apocalyptic number.

It is an amenable number.

631602341 is a deficient number, since it is larger than the sum of its proper divisors (63559).

631602341 is a wasteful number, since it uses less digits than its factorization.

631602341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63558.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 631602341 is about 25131.6999226077. The cubic root of 631602341 is about 857.9880591068.

Adding to 631602341 its reverse (143206136), we get a palindrome (774808477).

The spelling of 631602341 in words is "six hundred thirty-one million, six hundred two thousand, three hundred forty-one".