31321120000202 has 8 divisors (see below), whose sum is σ = 46981703925156. Its totient is φ = 15660552025152.

The previous prime is 31321120000201. The next prime is 31321120000217. The reversal of 31321120000202 is 20200002112313.

It can be written as a sum of positive squares in 2 ways, for example, as 18334761811921 + 12986358188281 = 4281911^2 + 3603659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31321120000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4758008 + ... + 9234764.

Almost surely, 2^{31321120000202} is an apocalyptic number.

31321120000202 is a deficient number, since it is larger than the sum of its proper divisors (15660583924954).

31321120000202 is a wasteful number, since it uses less digits than its factorization.

31321120000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974952.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31321120000202 its reverse (20200002112313), we get a palindrome (51521122112515).

The spelling of 31321120000202 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred twenty million, two hundred two", and thus it is an aban number.