31320031022002 has 16 divisors (see below), whose sum is σ = 48005321040000. Its totient is φ = 15318614273328.

The previous prime is 31320031021999. The next prime is 31320031022009. The reversal of 31320031022002 is 20022013002313.

It is not an unprimeable number, because it can be changed into a prime (31320031022009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89056377 + ... + 89407372.

It is an arithmetic number, because the mean of its divisors is an integer number (3000332565000).

Almost surely, 2^{31320031022002} is an apocalyptic number.

31320031022002 is a deficient number, since it is larger than the sum of its proper divisors (16685290017998).

31320031022002 is a wasteful number, since it uses less digits than its factorization.

31320031022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178465665.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31320031022002 its reverse (20022013002313), we get a palindrome (51342044024315).

The spelling of 31320031022002 in words is "thirty-one trillion, three hundred twenty billion, thirty-one million, twenty-two thousand, two".