310130031220 has 48 divisors (see below), whose sum is σ = 655203241728. Its totient is φ = 123303772800.

The previous prime is 310130031209. The next prime is 310130031229. The reversal of 310130031220 is 22130031013.

It is a junction number, because it is equal to n+sod(n) for n = 310130031194 and 310130031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310130031229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17661445 + ... + 17678995.

It is an arithmetic number, because the mean of its divisors is an integer number (13650067536).

Almost surely, 2^310130031220 is an apocalyptic number.

It is an amenable number.

310130031220 is an abundant number, since it is smaller than the sum of its proper divisors (345073210508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310130031220 is a wasteful number, since it uses less digits than its factorization.

310130031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840 (or 22838 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 310130031220 its reverse (22130031013), we get a palindrome (332260062233).

The spelling of 310130031220 in words is "three hundred ten billion, one hundred thirty million, thirty-one thousand, two hundred twenty".