31301022220222 has 8 divisors (see below), whose sum is σ = 47390332707576. Its totient is φ = 15504244651032.

The previous prime is 31301022220189. The next prime is 31301022220291. The reversal of 31301022220222 is 22202222010313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31301022220193 and 31301022220202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73133229273 + ... + 73133229700.

It is an arithmetic number, because the mean of its divisors is an integer number (5923791588447).

Almost surely, 2^{31301022220222} is an apocalyptic number.

31301022220222 is a deficient number, since it is larger than the sum of its proper divisors (16089310487354).

31301022220222 is a wasteful number, since it uses less digits than its factorization.

31301022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146266459082.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31301022220222 its reverse (22202222010313), we get a palindrome (53503244230535).

The spelling of 31301022220222 in words is "thirty-one trillion, three hundred one billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".