3130112231220 has 192 divisors, whose sum is σ = 9950401681920. Its totient is φ = 729391398912.

The previous prime is 3130112231189. The next prime is 3130112231221. The reversal of 3130112231220 is 221322110313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130112231221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 840816 + ... + 2639544.

It is an arithmetic number, because the mean of its divisors is an integer number (51825008760).

Almost surely, 2^{3130112231220} is an apocalyptic number.

3130112231220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130112231220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4975200840960).

3130112231220 is an abundant number, since it is smaller than the sum of its proper divisors (6820289450700).

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

3130112231220 is a wasteful number, since it uses less digits than its factorization.

3130112231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798874 (or 1798872 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3130112231220 its reverse (221322110313), we get a palindrome (3351434341533).

The spelling of 3130112231220 in words is "three trillion, one hundred thirty billion, one hundred twelve million, two hundred thirty-one thousand, two hundred twenty".