631344603 has 4 divisors (see below), whose sum is σ = 841792808. Its totient is φ = 420896400.

The previous prime is 631344599. The next prime is 631344607. The reversal of 631344603 is 306443136.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (631344599) and next prime (631344607).

It is not a de Polignac number, because 631344603 - 2² = 631344599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631344607) 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, 105224098 + ... + 105224103.

It is an arithmetic number, because the mean of its divisors is an integer number (210448202).

Almost surely, 2^631344603 is an apocalyptic number.

631344603 is a deficient number, since it is larger than the sum of its proper divisors (210448205).

631344603 is a wasteful number, since it uses less digits than its factorization.

631344603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210448204.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 631344603 is about 25126.5716523365. The cubic root of 631344603 is about 857.8713368179.

Adding to 631344603 its reverse (306443136), we get a palindrome (937787739).

The spelling of 631344603 in words is "six hundred thirty-one million, three hundred forty-four thousand, six hundred three".