31450030563 has 16 divisors (see below), whose sum is σ = 48059629056. Its totient is φ = 17920531200.

The previous prime is 31450030561. The next prime is 31450030637. The reversal of 31450030563 is 36503005413.

It is a happy number.

It is not a de Polignac number, because 31450030563 - 2¹ = 31450030561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31450030563.

It is not an unprimeable number, because it can be changed into a prime (31450030561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2113863 + ... + 2128688.

It is an arithmetic number, because the mean of its divisors is an integer number (3003726816).

Almost surely, 2^31450030563 is an apocalyptic number.

31450030563 is a deficient number, since it is larger than the sum of its proper divisors (16609598493).

31450030563 is a wasteful number, since it uses less digits than its factorization.

31450030563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242914.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 31450030563 its reverse (36503005413), we get a palindrome (67953035976).

The spelling of 31450030563 in words is "thirty-one billion, four hundred fifty million, thirty thousand, five hundred sixty-three".