31100020103202 has 16 divisors (see below), whose sum is σ = 64206493116672. Its totient is φ = 10032264549360.

The previous prime is 31100020103183. The next prime is 31100020103237. The reversal of 31100020103202 is 20230102000113.

It is a super-2 number, since 2×31100020103202² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 83602204393 + ... + 83602204764.

It is an arithmetic number, because the mean of its divisors is an integer number (4012905819792).

Almost surely, 2^{31100020103202} is an apocalyptic number.

31100020103202 is an abundant number, since it is smaller than the sum of its proper divisors (33106473013470).

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

31100020103202 is a wasteful number, since it uses less digits than its factorization.

31100020103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167204409193.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31100020103202 its reverse (20230102000113), we get a palindrome (51330122103315).

The spelling of 31100020103202 in words is "thirty-one trillion, one hundred billion, twenty million, one hundred three thousand, two hundred two".