31630041306 has 48 divisors (see below), whose sum is σ = 69109840800. Its totient is φ = 10454599584.

The previous prime is 31630041253. The next prime is 31630041337. The reversal of 31630041306 is 60314003613.

31630041306 is a `hidden beast` number, since 3 + 16 + 300 + 41 + 306 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31630041306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2141860 + ... + 2156576.

It is an arithmetic number, because the mean of its divisors is an integer number (1439788350).

Almost surely, 2^31630041306 is an apocalyptic number.

31630041306 is an abundant number, since it is smaller than the sum of its proper divisors (37479799494).

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

31630041306 is a wasteful number, since it uses less digits than its factorization.

31630041306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723 (or 15720 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31630041306 its reverse (60314003613), we get a palindrome (91944044919).

The spelling of 31630041306 in words is "thirty-one billion, six hundred thirty million, forty-one thousand, three hundred six".