631715624103 has 4 divisors (see below), whose sum is σ = 842287498808. Its totient is φ = 421143749400.

The previous prime is 631715624101. The next prime is 631715624131. The reversal of 631715624103 is 301426517136.

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

It is not a de Polignac number, because 631715624103 - 2¹ = 631715624101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631715624101) 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, 105285937348 + ... + 105285937353.

It is an arithmetic number, because the mean of its divisors is an integer number (210571874702).

Almost surely, 2^631715624103 is an apocalyptic number.

631715624103 is a deficient number, since it is larger than the sum of its proper divisors (210571874705).

631715624103 is a wasteful number, since it uses less digits than its factorization.

631715624103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210571874704.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 631715624103 in words is "six hundred thirty-one billion, seven hundred fifteen million, six hundred twenty-four thousand, one hundred three".