31323222200002 has 32 divisors (see below), whose sum is σ = 47710768746240. Its totient is φ = 15420241045440.

The previous prime is 31323222199999. The next prime is 31323222200027. The reversal of 31323222200002 is 20000222232313.

It is a super-2 number, since 2×31323222200002² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318311824 + ... + 318410212.

It is an arithmetic number, because the mean of its divisors is an integer number (1490961523320).

Almost surely, 2^{31323222200002} is an apocalyptic number.

31323222200002 is a deficient number, since it is larger than the sum of its proper divisors (16387546546238).

31323222200002 is a wasteful number, since it uses less digits than its factorization.

31323222200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101458.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31323222200002 its reverse (20000222232313), we get a palindrome (51323444432315).

The spelling of 31323222200002 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred twenty-two million, two hundred thousand, two".