31222010202002 has 8 divisors (see below), whose sum is σ = 46971985675836. Its totient is φ = 15564681643392.

The previous prime is 31222010201957. The next prime is 31222010202011. The reversal of 31222010202002 is 20020201022213.

It can be written as a sum of positive squares in 2 ways, for example, as 31144647786121 + 77362415881 = 5580739^2 + 278141^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23161727963 + ... + 23161729310.

Almost surely, 2^{31222010202002} is an apocalyptic number.

31222010202002 is a deficient number, since it is larger than the sum of its proper divisors (15749975473834).

31222010202002 is a wasteful number, since it uses less digits than its factorization.

31222010202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46323457612.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 31222010202002 its reverse (20020201022213), we get a palindrome (51242211224215).

The spelling of 31222010202002 in words is "thirty-one trillion, two hundred twenty-two billion, ten million, two hundred two thousand, two".