31424240330202 has 64 divisors (see below), whose sum is σ = 68868666547200. Its totient is φ = 9516040074240.

The previous prime is 31424240330191. The next prime is 31424240330221. The reversal of 31424240330202 is 20203304242413.

It is a self number, because there is not a number n which added to its sum of digits gives 31424240330202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11543877 + ... + 14003912.

It is an arithmetic number, because the mean of its divisors is an integer number (1076072914800).

Almost surely, 2^{31424240330202} is an apocalyptic number.

31424240330202 is an abundant number, since it is smaller than the sum of its proper divisors (37444426216998).

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

31424240330202 is a wasteful number, since it uses less digits than its factorization.

31424240330202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25548231.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31424240330202 its reverse (20203304242413), we get a palindrome (51627544572615).

The spelling of 31424240330202 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred forty million, three hundred thirty thousand, two hundred two".