631234460010 has 128 divisors (see below), whose sum is σ = 1889293953024. Its totient is φ = 131130236160.

The previous prime is 631234459997. The next prime is 631234460053. The reversal of 631234460010 is 10064432136.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 631234460010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9013389 + ... + 9083151.

It is an arithmetic number, because the mean of its divisors is an integer number (14760109008).

Almost surely, 2^631234460010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631234460010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944646976512).

631234460010 is an abundant number, since it is smaller than the sum of its proper divisors (1258059493014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631234460010 is a wasteful number, since it uses less digits than its factorization.

631234460010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73708.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 631234460010 its reverse (10064432136), we get a palindrome (641298892146).

The spelling of 631234460010 in words is "six hundred thirty-one billion, two hundred thirty-four million, four hundred sixty thousand, ten".