31230020322322 has 16 divisors (see below), whose sum is σ = 48262882495320. Its totient is φ = 15145055457408.

The previous prime is 31230020322203. The next prime is 31230020322323. The reversal of 31230020322322 is 22322302003213.

It can be written as a sum of positive squares in 4 ways, for example, as 18621477498121 + 12608542824201 = 4315261^2 + 3550851^2 .

It is not an unprimeable number, because it can be changed into a prime (31230020322323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665634747 + ... + 665681662.

Almost surely, 2^{31230020322322} is an apocalyptic number.

31230020322322 is a deficient number, since it is larger than the sum of its proper divisors (17032862172998).

31230020322322 is a wasteful number, since it uses less digits than its factorization.

31230020322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331316765.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31230020322322 its reverse (22322302003213), we get a palindrome (53552322325535).

The spelling of 31230020322322 in words is "thirty-one trillion, two hundred thirty billion, twenty million, three hundred twenty-two thousand, three hundred twenty-two".