31122230322130 has 64 divisors (see below), whose sum is σ = 56323792723968. Its totient is φ = 12381555798720.

The previous prime is 31122230322061. The next prime is 31122230322259. The reversal of 31122230322130 is 3122303222113.

It is a junction number, because it is equal to n+sod(n) for n = 31122230322095 and 31122230322104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6905307337 + ... + 6905311843.

It is an arithmetic number, because the mean of its divisors is an integer number (880059261312).

Almost surely, 2^{31122230322130} is an apocalyptic number.

31122230322130 is a deficient number, since it is larger than the sum of its proper divisors (25201562401838).

31122230322130 is a wasteful number, since it uses less digits than its factorization.

31122230322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31122230322130 its reverse (3122303222113), we get a palindrome (34244533544243).

The spelling of 31122230322130 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty million, three hundred twenty-two thousand, one hundred thirty".