31030122230 has 16 divisors (see below), whose sum is σ = 55874211264. Its totient is φ = 12407606400.

The previous prime is 31030122229. The next prime is 31030122271. The reversal of 31030122230 is 3222103013.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31030122199 and 31030122208.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 525902 + ... + 581921.

It is an arithmetic number, because the mean of its divisors is an integer number (3492138204).

Almost surely, 2^31030122230 is an apocalyptic number.

31030122230 is a deficient number, since it is larger than the sum of its proper divisors (24844089034).

31030122230 is a wasteful number, since it uses less digits than its factorization.

31030122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110631.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31030122230 its reverse (3222103013), we get a palindrome (34252225243).

The spelling of 31030122230 in words is "thirty-one billion, thirty million, one hundred twenty-two thousand, two hundred thirty".