31030302220022 has 24 divisors (see below), whose sum is σ = 54147637291176. Its totient is φ = 13297982217408.

The previous prime is 31030302220013. The next prime is 31030302220097. The reversal of 31030302220022 is 22002220303013.

It is a junction number, because it is equal to n+sod(n) for n = 31030302219976 and 31030302220003.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6731843 + ... + 10362350.

It is an arithmetic number, because the mean of its divisors is an integer number (2256151553799).

Almost surely, 2^{31030302220022} is an apocalyptic number.

31030302220022 is a deficient number, since it is larger than the sum of its proper divisors (23117335071154).

31030302220022 is a wasteful number, since it uses less digits than its factorization.

31030302220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112732 (or 17112725 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31030302220022 its reverse (22002220303013), we get a palindrome (53032522523035).

The spelling of 31030302220022 in words is "thirty-one trillion, thirty billion, three hundred two million, two hundred twenty thousand, twenty-two".