31201322002 has 8 divisors (see below), whose sum is σ = 47569228812. Its totient is φ = 15344912400.

The previous prime is 31201321913. The next prime is 31201322021. The reversal of 31201322002 is 20022310213.

It can be written as a sum of positive squares in 2 ways, for example, as 30976352001 + 224970001 = 176001^2 + 14999^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 127874149 + ... + 127874392.

Almost surely, 2^31201322002 is an apocalyptic number.

31201322002 is a deficient number, since it is larger than the sum of its proper divisors (16367906810).

31201322002 is a wasteful number, since it uses less digits than its factorization.

31201322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255748604.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31201322002 its reverse (20022310213), we get a palindrome (51223632215).

The spelling of 31201322002 in words is "thirty-one billion, two hundred one million, three hundred twenty-two thousand, two".